20249529200

素因数分解:

$2^4\times 5^2\times {\mathrm{89}}^1\times {\mathrm{568807}}^1$

素因数の和:568914

約数の個数: 60

約数和(自身を含む): 49196203920

約数和(自身を除く): 28946674720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 178, 200, 356, 400, 445, 712, 890, 1424, 1780, 2225, 3560, 4450, 7120, 8900, 17800, 35600, 568807, 1137614, 2275228, 2844035, 4550456, 5688070, 9100912, 11376140, 14220175, 22752280, 28440350, 45504560, 50623823, 56880700, 101247646, 113761400, 202495292, 227522800, 253119115, 404990584, 506238230, 809981168, 1012476460, 1265595575, 2024952920, 2531191150, 4049905840, 5062382300, 10124764600, 20249529200]

約数ペア:

[(1, 20249529200), (2, 10124764600), (4, 5062382300), (5, 4049905840), (8, 2531191150), (10, 2024952920), (16, 1265595575), (20, 1012476460), (25, 809981168), (40, 506238230), (50, 404990584), (80, 253119115), (89, 227522800), (100, 202495292), (178, 113761400), (200, 101247646), (356, 56880700), (400, 50623823), (445, 45504560), (712, 28440350), (890, 22752280), (1424, 14220175), (1780, 11376140), (2225, 9100912), (3560, 5688070), (4450, 4550456), (7120, 2844035), (8900, 2275228), (17800, 1137614), (35600, 568807)]