20313656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{643}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 41731200

約数和(自身を除く): 21417544

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 359, 643, 718, 1286, 1436, 2572, 2872, 3949, 5144, 7073, 7898, 14146, 15796, 28292, 31592, 56584, 230837, 461674, 923348, 1846696, 2539207, 5078414, 10156828, 20313656]

約数ペア:

[(1, 20313656), (2, 10156828), (4, 5078414), (8, 2539207), (11, 1846696), (22, 923348), (44, 461674), (88, 230837), (359, 56584), (643, 31592), (718, 28292), (1286, 15796), (1436, 14146), (2572, 7898), (2872, 7073), (3949, 5144)]