20616565516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1\times {\mathrm{3709}}^1$

素因数の和:5674

約数の個数: 48

約数和(自身を含む): 39120792480

約数和(自身を除く): 18504226964

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 1901, 2924, 3709, 3802, 7418, 7604, 14836, 32317, 63053, 64634, 81743, 126106, 129268, 159487, 163486, 252212, 318974, 326972, 637948, 1389631, 2711279, 2779262, 5422558, 5558524, 7050809, 10845116, 14101618, 28203236, 119863753, 239727506, 303184787, 479455012, 606369574, 1212739148, 5154141379, 10308282758, 20616565516]

約数ペア:

[(1, 20616565516), (2, 10308282758), (4, 5154141379), (17, 1212739148), (34, 606369574), (43, 479455012), (68, 303184787), (86, 239727506), (172, 119863753), (731, 28203236), (1462, 14101618), (1901, 10845116), (2924, 7050809), (3709, 5558524), (3802, 5422558), (7418, 2779262), (7604, 2711279), (14836, 1389631), (32317, 637948), (63053, 326972), (64634, 318974), (81743, 252212), (126106, 163486), (129268, 159487)]