20471444

素因数分解:

$2^2\times 7^1\times {\mathrm{787}}^1\times {\mathrm{929}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 41039040

約数和(自身を除く): 20567596

約数列:

[1, 2, 4, 7, 14, 28, 787, 929, 1574, 1858, 3148, 3716, 5509, 6503, 11018, 13006, 22036, 26012, 731123, 1462246, 2924492, 5117861, 10235722, 20471444]

約数ペア:

[(1, 20471444), (2, 10235722), (4, 5117861), (7, 2924492), (14, 1462246), (28, 731123), (787, 26012), (929, 22036), (1574, 13006), (1858, 11018), (3148, 6503), (3716, 5509)]