20216103400

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{771607}}^1$

素因数の和:771754

約数の個数: 48

約数和(自身を含む): 47361299040

約数和(自身を除く): 27145195640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 1048, 1310, 2620, 3275, 5240, 6550, 13100, 26200, 771607, 1543214, 3086428, 3858035, 6172856, 7716070, 15432140, 19290175, 30864280, 38580350, 77160700, 101080517, 154321400, 202161034, 404322068, 505402585, 808644136, 1010805170, 2021610340, 2527012925, 4043220680, 5054025850, 10108051700, 20216103400]

約数ペア:

[(1, 20216103400), (2, 10108051700), (4, 5054025850), (5, 4043220680), (8, 2527012925), (10, 2021610340), (20, 1010805170), (25, 808644136), (40, 505402585), (50, 404322068), (100, 202161034), (131, 154321400), (200, 101080517), (262, 77160700), (524, 38580350), (655, 30864280), (1048, 19290175), (1310, 15432140), (2620, 7716070), (3275, 6172856), (5240, 3858035), (6550, 3086428), (13100, 1543214), (26200, 771607)]