20321796740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6311117}}^1$

素因数の和:6311156

約数の個数: 48

約数和(自身を含む): 50892855552

約数和(自身を除く): 30571058812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 6311117, 12622234, 25244468, 31555585, 44177819, 63111170, 88355638, 126222340, 145155691, 176711276, 220889095, 290311382, 441778190, 580622764, 725778455, 883556380, 1016089837, 1451556910, 2032179674, 2903113820, 4064359348, 5080449185, 10160898370, 20321796740]

約数ペア:

[(1, 20321796740), (2, 10160898370), (4, 5080449185), (5, 4064359348), (7, 2903113820), (10, 2032179674), (14, 1451556910), (20, 1016089837), (23, 883556380), (28, 725778455), (35, 580622764), (46, 441778190), (70, 290311382), (92, 220889095), (115, 176711276), (140, 145155691), (161, 126222340), (230, 88355638), (322, 63111170), (460, 44177819), (644, 31555585), (805, 25244468), (1610, 12622234), (3220, 6311117)]