20403717208

素因数分解:

$2^3\times 7^4\times {\mathrm{1062251}}^1$

素因数の和:1062285

約数の個数: 40

約数和(自身を含む): 44630517780

約数和(自身を除く): 24226800572

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2401, 2744, 4802, 9604, 19208, 1062251, 2124502, 4249004, 7435757, 8498008, 14871514, 29743028, 52050299, 59486056, 104100598, 208201196, 364352093, 416402392, 728704186, 1457408372, 2550464651, 2914816744, 5100929302, 10201858604, 20403717208]

約数ペア:

[(1, 20403717208), (2, 10201858604), (4, 5100929302), (7, 2914816744), (8, 2550464651), (14, 1457408372), (28, 728704186), (49, 416402392), (56, 364352093), (98, 208201196), (196, 104100598), (343, 59486056), (392, 52050299), (686, 29743028), (1372, 14871514), (2401, 8498008), (2744, 7435757), (4802, 4249004), (9604, 2124502), (19208, 1062251)]