20177072876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1453}}^1\times {\mathrm{2053}}^1$

素因数の和:3618

約数の個数: 48

約数和(自身を含む): 37630101600

約数和(自身を除く): 17453028724

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1453, 1691, 2053, 2906, 3382, 4106, 5812, 6764, 8212, 27607, 39007, 55214, 78014, 110428, 129317, 156028, 182717, 258634, 365434, 517268, 730868, 2457023, 2983009, 3471623, 4914046, 5966018, 6943246, 9828092, 11932036, 13886492, 56677171, 113354342, 226708684, 265487801, 530975602, 1061951204, 5044268219, 10088536438, 20177072876]

約数ペア:

[(1, 20177072876), (2, 10088536438), (4, 5044268219), (19, 1061951204), (38, 530975602), (76, 265487801), (89, 226708684), (178, 113354342), (356, 56677171), (1453, 13886492), (1691, 11932036), (2053, 9828092), (2906, 6943246), (3382, 5966018), (4106, 4914046), (5812, 3471623), (6764, 2983009), (8212, 2457023), (27607, 730868), (39007, 517268), (55214, 365434), (78014, 258634), (110428, 182717), (129317, 156028)]