20183217620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1\times {\mathrm{26813}}^1$

素因数の和:27500

約数の個数: 48

約数和(自身を含む): 43151019408

約数和(自身を除く): 22967801788

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 617, 1220, 1234, 2468, 3085, 6170, 12340, 26813, 37637, 53626, 75274, 107252, 134065, 150548, 188185, 268130, 376370, 536260, 752740, 1635593, 3271186, 6542372, 8177965, 16355930, 16543621, 32711860, 33087242, 66174484, 82718105, 165436210, 330872420, 1009160881, 2018321762, 4036643524, 5045804405, 10091608810, 20183217620]

約数ペア:

[(1, 20183217620), (2, 10091608810), (4, 5045804405), (5, 4036643524), (10, 2018321762), (20, 1009160881), (61, 330872420), (122, 165436210), (244, 82718105), (305, 66174484), (610, 33087242), (617, 32711860), (1220, 16543621), (1234, 16355930), (2468, 8177965), (3085, 6542372), (6170, 3271186), (12340, 1635593), (26813, 752740), (37637, 536260), (53626, 376370), (75274, 268130), (107252, 188185), (134065, 150548)]