20290424620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3671}}^1\times {\mathrm{6427}}^1$

素因数の和:10150

約数の個数: 48

約数和(自身を含む): 43619482368

約数和(自身を除く): 23329057748

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 3671, 6427, 7342, 12854, 14684, 18355, 25708, 32135, 36710, 64270, 73420, 128540, 157853, 276361, 315706, 552722, 631412, 789265, 1105444, 1381805, 1578530, 2763610, 3157060, 5527220, 23593517, 47187034, 94374068, 117967585, 235935170, 471870340, 1014521231, 2029042462, 4058084924, 5072606155, 10145212310, 20290424620]

約数ペア:

[(1, 20290424620), (2, 10145212310), (4, 5072606155), (5, 4058084924), (10, 2029042462), (20, 1014521231), (43, 471870340), (86, 235935170), (172, 117967585), (215, 94374068), (430, 47187034), (860, 23593517), (3671, 5527220), (6427, 3157060), (7342, 2763610), (12854, 1578530), (14684, 1381805), (18355, 1105444), (25708, 789265), (32135, 631412), (36710, 552722), (64270, 315706), (73420, 276361), (128540, 157853)]