20120685431

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{209549}}^1$

素因数の和:209639

約数の個数: 32

約数和(自身を含む): 26554176000

約数和(自身を除く): 6433490569

約数列:

[1, 7, 11, 29, 43, 77, 203, 301, 319, 473, 1247, 2233, 3311, 8729, 13717, 96019, 209549, 1466843, 2305039, 6076921, 9010607, 16135273, 42538447, 63074249, 66846131, 99116677, 261307603, 467922917, 693816739, 1829153221, 2874383633, 20120685431]

約数ペア:

[(1, 20120685431), (7, 2874383633), (11, 1829153221), (29, 693816739), (43, 467922917), (77, 261307603), (203, 99116677), (301, 66846131), (319, 63074249), (473, 42538447), (1247, 16135273), (2233, 9010607), (3311, 6076921), (8729, 2305039), (13717, 1466843), (96019, 209549)]