20850561620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7838557}}^1$

素因数の和:7838592

約数の個数: 48

約数和(自身を含む): 52675109760

約数和(自身を除く): 31824548140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7838557, 15677114, 31354228, 39192785, 54869899, 78385570, 109739798, 148932583, 156771140, 219479596, 274349495, 297865166, 548698990, 595730332, 744662915, 1042528081, 1097397980, 1489325830, 2085056162, 2978651660, 4170112324, 5212640405, 10425280810, 20850561620]

約数ペア:

[(1, 20850561620), (2, 10425280810), (4, 5212640405), (5, 4170112324), (7, 2978651660), (10, 2085056162), (14, 1489325830), (19, 1097397980), (20, 1042528081), (28, 744662915), (35, 595730332), (38, 548698990), (70, 297865166), (76, 274349495), (95, 219479596), (133, 156771140), (140, 148932583), (190, 109739798), (266, 78385570), (380, 54869899), (532, 39192785), (665, 31354228), (1330, 15677114), (2660, 7838557)]