20176564944

素因数分解:

$2^4\times 3^1\times {\mathrm{661}}^1\times {\mathrm{635923}}^1$

素因数の和:636595

約数の個数: 40

約数和(自身を含む): 52201729312

約数和(自身を除く): 32025164368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 661, 1322, 1983, 2644, 3966, 5288, 7932, 10576, 15864, 31728, 635923, 1271846, 1907769, 2543692, 3815538, 5087384, 7631076, 10174768, 15262152, 30524304, 420345103, 840690206, 1261035309, 1681380412, 2522070618, 3362760824, 5044141236, 6725521648, 10088282472, 20176564944]

約数ペア:

[(1, 20176564944), (2, 10088282472), (3, 6725521648), (4, 5044141236), (6, 3362760824), (8, 2522070618), (12, 1681380412), (16, 1261035309), (24, 840690206), (48, 420345103), (661, 30524304), (1322, 15262152), (1983, 10174768), (2644, 7631076), (3966, 5087384), (5288, 3815538), (7932, 2543692), (10576, 1907769), (15864, 1271846), (31728, 635923)]