20912562944

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:595

約数の個数: 216

約数和(自身を含む): 52068038400

約数和(自身を除く): 31155475456

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 169, 182, 199, 208, 224, 256, 338, 347, 364, 398, 416, 448, 676, 694, 728, 796, 832, 896, 1183, 1352, 1388, 1393, 1456, 1592, 1664, 1792, 2366, 2429, 2587, 2704, 2776, 2786, 2912, 3184, 3328, 4511, 4732, 4858, 5174, 5408, 5552, 5572, 5824, 6368, 9022, 9464, 9716, 10348, 10816, 11104, 11144, 11648, 12736, 18044, 18109, 18928, 19432, 20696, 21632, 22208, 22288, 23296, 25472, 31577, 33631, 36088, 36218, 37856, 38864, 41392, 43264, 44416, 44576, 50944, 58643, 63154, 67262, 69053, 72176, 72436, 75712, 77728, 82784, 88832, 89152, 117286, 126308, 134524, 138106, 144352, 144872, 151424, 155456, 165568, 178304, 234572, 235417, 252616, 269048, 276212, 288704, 289744, 302848, 310912, 331136, 356608, 410501, 469144, 470834, 483371, 505232, 538096, 552424, 577408, 579488, 621824, 662272, 821002, 897689, 938288, 941668, 966742, 1010464, 1076192, 1104848, 1154816, 1158976, 1642004, 1795378, 1876576, 1883336, 1933484, 2020928, 2152384, 2209696, 2317952, 3284008, 3590756, 3753152, 3766672, 3866968, 4041856, 4304768, 4419392, 4635904, 6283823, 6568016, 7181512, 7506304, 7533344, 7733936, 8083712, 8609536, 8838784, 11669957, 12567646, 13136032, 14363024, 15012608, 15066688, 15467872, 17677568, 23339914, 25135292, 26272064, 28726048, 30133376, 30935744, 46679828, 50270584, 52544128, 57452096, 60266752, 61871488, 81689699, 93359656, 100541168, 105088256, 114904192, 123742976, 163379398, 186719312, 201082336, 229808384, 326758796, 373438624, 402164672, 653517592, 746877248, 804329344, 1307035184, 1493754496, 1608658688, 2614070368, 2987508992, 5228140736, 10456281472, 20912562944]

約数ペア:

[(1, 20912562944), (2, 10456281472), (4, 5228140736), (7, 2987508992), (8, 2614070368), (13, 1608658688), (14, 1493754496), (16, 1307035184), (26, 804329344), (28, 746877248), (32, 653517592), (52, 402164672), (56, 373438624), (64, 326758796), (91, 229808384), (104, 201082336), (112, 186719312), (128, 163379398), (169, 123742976), (182, 114904192), (199, 105088256), (208, 100541168), (224, 93359656), (256, 81689699), (338, 61871488), (347, 60266752), (364, 57452096), (398, 52544128), (416, 50270584), (448, 46679828), (676, 30935744), (694, 30133376), (728, 28726048), (796, 26272064), (832, 25135292), (896, 23339914), (1183, 17677568), (1352, 15467872), (1388, 15066688), (1393, 15012608), (1456, 14363024), (1592, 13136032), (1664, 12567646), (1792, 11669957), (2366, 8838784), (2429, 8609536), (2587, 8083712), (2704, 7733936), (2776, 7533344), (2786, 7506304), (2912, 7181512), (3184, 6568016), (3328, 6283823), (4511, 4635904), (4732, 4419392), (4858, 4304768), (5174, 4041856), (5408, 3866968), (5552, 3766672), (5572, 3753152), (5824, 3590756), (6368, 3284008), (9022, 2317952), (9464, 2209696), (9716, 2152384), (10348, 2020928), (10816, 1933484), (11104, 1883336), (11144, 1876576), (11648, 1795378), (12736, 1642004), (18044, 1158976), (18109, 1154816), (18928, 1104848), (19432, 1076192), (20696, 1010464), (21632, 966742), (22208, 941668), (22288, 938288), (23296, 897689), (25472, 821002), (31577, 662272), (33631, 621824), (36088, 579488), (36218, 577408), (37856, 552424), (38864, 538096), (41392, 505232), (43264, 483371), (44416, 470834), (44576, 469144), (50944, 410501), (58643, 356608), (63154, 331136), (67262, 310912), (69053, 302848), (72176, 289744), (72436, 288704), (75712, 276212), (77728, 269048), (82784, 252616), (88832, 235417), (89152, 234572), (117286, 178304), (126308, 165568), (134524, 155456), (138106, 151424), (144352, 144872)]