20403389039

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{19259}}^1$

素因数の和:19463

約数の個数: 32

約数和(自身を含む): 24239865600

約数和(自身を除く): 3836476561

約数列:

[1, 11, 19, 37, 137, 209, 407, 703, 1507, 2603, 5069, 7733, 19259, 28633, 55759, 96311, 211849, 365921, 712583, 1059421, 2638483, 4025131, 7838413, 13539077, 29023313, 50131177, 97623871, 148929847, 551442947, 1073862581, 1854853549, 20403389039]

約数ペア:

[(1, 20403389039), (11, 1854853549), (19, 1073862581), (37, 551442947), (137, 148929847), (209, 97623871), (407, 50131177), (703, 29023313), (1507, 13539077), (2603, 7838413), (5069, 4025131), (7733, 2638483), (19259, 1059421), (28633, 712583), (55759, 365921), (96311, 211849)]