20702964376

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{953}}^1\times {\mathrm{1091}}^1$

素因数の和:2200

約数の個数: 64

約数和(自身を含む): 41254012800

約数和(自身を除く): 20551048424

約数列:

[1, 2, 4, 8, 19, 38, 76, 131, 152, 262, 524, 953, 1048, 1091, 1906, 2182, 2489, 3812, 4364, 4978, 7624, 8728, 9956, 18107, 19912, 20729, 36214, 41458, 72428, 82916, 124843, 142921, 144856, 165832, 249686, 285842, 499372, 571684, 998744, 1039723, 1143368, 2079446, 2372017, 2715499, 4158892, 4744034, 5430998, 8317784, 9488068, 10861996, 18976136, 19754737, 21723992, 39509474, 79018948, 136203713, 158037896, 272407426, 544814852, 1089629704, 2587870547, 5175741094, 10351482188, 20702964376]

約数ペア:

[(1, 20702964376), (2, 10351482188), (4, 5175741094), (8, 2587870547), (19, 1089629704), (38, 544814852), (76, 272407426), (131, 158037896), (152, 136203713), (262, 79018948), (524, 39509474), (953, 21723992), (1048, 19754737), (1091, 18976136), (1906, 10861996), (2182, 9488068), (2489, 8317784), (3812, 5430998), (4364, 4744034), (4978, 4158892), (7624, 2715499), (8728, 2372017), (9956, 2079446), (18107, 1143368), (19912, 1039723), (20729, 998744), (36214, 571684), (41458, 499372), (72428, 285842), (82916, 249686), (124843, 165832), (142921, 144856)]