20162997760

素因数分解:

$2^9\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{859}}^1$

素因数の和:1108

約数の個数: 160

約数和(自身を含む): 49598477280

約数和(自身を除く): 29435479520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 173, 212, 256, 265, 320, 346, 424, 512, 530, 640, 692, 848, 859, 865, 1060, 1280, 1384, 1696, 1718, 1730, 2120, 2560, 2768, 3392, 3436, 3460, 4240, 4295, 5536, 6784, 6872, 6920, 8480, 8590, 9169, 11072, 13568, 13744, 13840, 16960, 17180, 18338, 22144, 27136, 27488, 27680, 33920, 34360, 36676, 44288, 45527, 45845, 54976, 55360, 67840, 68720, 73352, 88576, 91054, 91690, 109952, 110720, 135680, 137440, 146704, 148607, 182108, 183380, 219904, 221440, 227635, 274880, 293408, 297214, 364216, 366760, 439808, 442880, 455270, 549760, 586816, 594428, 728432, 733520, 743035, 910540, 1099520, 1173632, 1188856, 1456864, 1467040, 1486070, 1821080, 2199040, 2347264, 2377712, 2913728, 2934080, 2972140, 3642160, 4694528, 4755424, 5827456, 5868160, 5944280, 7284320, 7876171, 9510848, 11654912, 11736320, 11888560, 14568640, 15752342, 19021696, 23309824, 23472640, 23777120, 29137280, 31504684, 38043392, 39380855, 47554240, 58274560, 63009368, 76086784, 78761710, 95108480, 116549120, 126018736, 157523420, 190216960, 252037472, 315046840, 380433920, 504074944, 630093680, 1008149888, 1260187360, 2016299776, 2520374720, 4032599552, 5040749440, 10081498880, 20162997760]

約数ペア:

[(1, 20162997760), (2, 10081498880), (4, 5040749440), (5, 4032599552), (8, 2520374720), (10, 2016299776), (16, 1260187360), (20, 1008149888), (32, 630093680), (40, 504074944), (53, 380433920), (64, 315046840), (80, 252037472), (106, 190216960), (128, 157523420), (160, 126018736), (173, 116549120), (212, 95108480), (256, 78761710), (265, 76086784), (320, 63009368), (346, 58274560), (424, 47554240), (512, 39380855), (530, 38043392), (640, 31504684), (692, 29137280), (848, 23777120), (859, 23472640), (865, 23309824), (1060, 19021696), (1280, 15752342), (1384, 14568640), (1696, 11888560), (1718, 11736320), (1730, 11654912), (2120, 9510848), (2560, 7876171), (2768, 7284320), (3392, 5944280), (3436, 5868160), (3460, 5827456), (4240, 4755424), (4295, 4694528), (5536, 3642160), (6784, 2972140), (6872, 2934080), (6920, 2913728), (8480, 2377712), (8590, 2347264), (9169, 2199040), (11072, 1821080), (13568, 1486070), (13744, 1467040), (13840, 1456864), (16960, 1188856), (17180, 1173632), (18338, 1099520), (22144, 910540), (27136, 743035), (27488, 733520), (27680, 728432), (33920, 594428), (34360, 586816), (36676, 549760), (44288, 455270), (45527, 442880), (45845, 439808), (54976, 366760), (55360, 364216), (67840, 297214), (68720, 293408), (73352, 274880), (88576, 227635), (91054, 221440), (91690, 219904), (109952, 183380), (110720, 182108), (135680, 148607), (137440, 146704)]