20804950912

素因数分解:

$2^7\times {\mathrm{223}}^1\times {\mathrm{728873}}^1$

素因数の和:729110

約数の個数: 32

約数和(自身を含む): 41633282880

約数和(自身を除く): 20828331968

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 223, 446, 892, 1784, 3568, 7136, 14272, 28544, 728873, 1457746, 2915492, 5830984, 11661968, 23323936, 46647872, 93295744, 162538679, 325077358, 650154716, 1300309432, 2600618864, 5201237728, 10402475456, 20804950912]

約数ペア:

[(1, 20804950912), (2, 10402475456), (4, 5201237728), (8, 2600618864), (16, 1300309432), (32, 650154716), (64, 325077358), (128, 162538679), (223, 93295744), (446, 46647872), (892, 23323936), (1784, 11661968), (3568, 5830984), (7136, 2915492), (14272, 1457746), (28544, 728873)]