20211805640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{169733}}^1$

素因数の和:169986

約数の個数: 64

約数和(自身を含む): 49188913200

約数和(自身を除く): 28977107560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 229, 260, 458, 520, 916, 1145, 1832, 2290, 2977, 4580, 5954, 9160, 11908, 14885, 23816, 29770, 59540, 119080, 169733, 339466, 678932, 848665, 1357864, 1697330, 2206529, 3394660, 4413058, 6789320, 8826116, 11032645, 17652232, 22065290, 38868857, 44130580, 77737714, 88261160, 155475428, 194344285, 310950856, 388688570, 505295141, 777377140, 1010590282, 1554754280, 2021180564, 2526475705, 4042361128, 5052951410, 10105902820, 20211805640]

約数ペア:

[(1, 20211805640), (2, 10105902820), (4, 5052951410), (5, 4042361128), (8, 2526475705), (10, 2021180564), (13, 1554754280), (20, 1010590282), (26, 777377140), (40, 505295141), (52, 388688570), (65, 310950856), (104, 194344285), (130, 155475428), (229, 88261160), (260, 77737714), (458, 44130580), (520, 38868857), (916, 22065290), (1145, 17652232), (1832, 11032645), (2290, 8826116), (2977, 6789320), (4580, 4413058), (5954, 3394660), (9160, 2206529), (11908, 1697330), (14885, 1357864), (23816, 848665), (29770, 678932), (59540, 339466), (119080, 169733)]