20199078909

素因数分解:

$3^2\times {\mathrm{409}}^1\times {\mathrm{877}}^1\times {\mathrm{6257}}^1$

素因数の和:7549

約数の個数: 24

約数和(自身を含む): 29285812920

約数和(自身を除く): 9086734011

約数列:

[1, 3, 9, 409, 877, 1227, 2631, 3681, 6257, 7893, 18771, 56313, 358693, 1076079, 2559113, 3228237, 5487389, 7677339, 16462167, 23032017, 49386501, 2244342101, 6733026303, 20199078909]

約数ペア:

[(1, 20199078909), (3, 6733026303), (9, 2244342101), (409, 49386501), (877, 23032017), (1227, 16462167), (2631, 7677339), (3681, 5487389), (6257, 3228237), (7893, 2559113), (18771, 1076079), (56313, 358693)]