20585269760

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23581}}^1$

素因数の和:23646

約数の個数: 160

約数和(自身を含む): 55582585344

約数和(自身を除く): 34997315584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 512, 620, 640, 682, 704, 880, 992, 1240, 1280, 1364, 1408, 1705, 1760, 1984, 2480, 2560, 2728, 2816, 3410, 3520, 3968, 4960, 5456, 5632, 6820, 7040, 7936, 9920, 10912, 13640, 14080, 15872, 19840, 21824, 23581, 27280, 28160, 39680, 43648, 47162, 54560, 79360, 87296, 94324, 109120, 117905, 174592, 188648, 218240, 235810, 259391, 377296, 436480, 471620, 518782, 731011, 754592, 872960, 943240, 1037564, 1296955, 1462022, 1509184, 1886480, 2075128, 2593910, 2924044, 3018368, 3655055, 3772960, 4150256, 5187820, 5848088, 6036736, 7310110, 7545920, 8041121, 8300512, 10375640, 11696176, 12073472, 14620220, 15091840, 16082242, 16601024, 20751280, 23392352, 29240440, 30183680, 32164484, 33202048, 40205605, 41502560, 46784704, 58480880, 60367360, 64328968, 66404096, 80411210, 83005120, 93569408, 116961760, 128657936, 132808192, 160822420, 166010240, 187138816, 233923520, 257315872, 321644840, 332020480, 374277632, 467847040, 514631744, 643289680, 664040960, 935694080, 1029263488, 1286579360, 1871388160, 2058526976, 2573158720, 4117053952, 5146317440, 10292634880, 20585269760]

約数ペア:

[(1, 20585269760), (2, 10292634880), (4, 5146317440), (5, 4117053952), (8, 2573158720), (10, 2058526976), (11, 1871388160), (16, 1286579360), (20, 1029263488), (22, 935694080), (31, 664040960), (32, 643289680), (40, 514631744), (44, 467847040), (55, 374277632), (62, 332020480), (64, 321644840), (80, 257315872), (88, 233923520), (110, 187138816), (124, 166010240), (128, 160822420), (155, 132808192), (160, 128657936), (176, 116961760), (220, 93569408), (248, 83005120), (256, 80411210), (310, 66404096), (320, 64328968), (341, 60367360), (352, 58480880), (440, 46784704), (496, 41502560), (512, 40205605), (620, 33202048), (640, 32164484), (682, 30183680), (704, 29240440), (880, 23392352), (992, 20751280), (1240, 16601024), (1280, 16082242), (1364, 15091840), (1408, 14620220), (1705, 12073472), (1760, 11696176), (1984, 10375640), (2480, 8300512), (2560, 8041121), (2728, 7545920), (2816, 7310110), (3410, 6036736), (3520, 5848088), (3968, 5187820), (4960, 4150256), (5456, 3772960), (5632, 3655055), (6820, 3018368), (7040, 2924044), (7936, 2593910), (9920, 2075128), (10912, 1886480), (13640, 1509184), (14080, 1462022), (15872, 1296955), (19840, 1037564), (21824, 943240), (23581, 872960), (27280, 754592), (28160, 731011), (39680, 518782), (43648, 471620), (47162, 436480), (54560, 377296), (79360, 259391), (87296, 235810), (94324, 218240), (109120, 188648), (117905, 174592)]