20902024

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 46730880

約数和(自身を除く): 25828856

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 151, 242, 286, 302, 484, 572, 604, 968, 1144, 1208, 1331, 1573, 1661, 1963, 2662, 3146, 3322, 3926, 5324, 6292, 6644, 7852, 10648, 12584, 13288, 15704, 17303, 18271, 21593, 34606, 36542, 43186, 69212, 73084, 86372, 138424, 146168, 172744, 200981, 237523, 401962, 475046, 803924, 950092, 1607848, 1900184, 2612753, 5225506, 10451012, 20902024]

約数ペア:

[(1, 20902024), (2, 10451012), (4, 5225506), (8, 2612753), (11, 1900184), (13, 1607848), (22, 950092), (26, 803924), (44, 475046), (52, 401962), (88, 237523), (104, 200981), (121, 172744), (143, 146168), (151, 138424), (242, 86372), (286, 73084), (302, 69212), (484, 43186), (572, 36542), (604, 34606), (968, 21593), (1144, 18271), (1208, 17303), (1331, 15704), (1573, 13288), (1661, 12584), (1963, 10648), (2662, 7852), (3146, 6644), (3322, 6292), (3926, 5324)]