20346040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3557}}^1$

素因数の和:3592

約数の個数: 64

約数和(自身を含む): 53796960

約数和(自身を除く): 33450920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3557, 5720, 7114, 14228, 17785, 28456, 35570, 39127, 46241, 71140, 78254, 92482, 142280, 156508, 184964, 195635, 231205, 313016, 369928, 391270, 462410, 508651, 782540, 924820, 1017302, 1565080, 1849640, 2034604, 2543255, 4069208, 5086510, 10173020, 20346040]

約数ペア:

[(1, 20346040), (2, 10173020), (4, 5086510), (5, 4069208), (8, 2543255), (10, 2034604), (11, 1849640), (13, 1565080), (20, 1017302), (22, 924820), (26, 782540), (40, 508651), (44, 462410), (52, 391270), (55, 369928), (65, 313016), (88, 231205), (104, 195635), (110, 184964), (130, 156508), (143, 142280), (220, 92482), (260, 78254), (286, 71140), (440, 46241), (520, 39127), (572, 35570), (715, 28456), (1144, 17785), (1430, 14228), (2860, 7114), (3557, 5720)]