20218416

素因数分解:

$2^4\times 3^1\times {\mathrm{397}}^1\times {\mathrm{1061}}^1$

素因数の和:1469

約数の個数: 40

約数和(自身を含む): 52411824

約数和(自身を除く): 32193408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 397, 794, 1061, 1191, 1588, 2122, 2382, 3176, 3183, 4244, 4764, 6352, 6366, 8488, 9528, 12732, 16976, 19056, 25464, 50928, 421217, 842434, 1263651, 1684868, 2527302, 3369736, 5054604, 6739472, 10109208, 20218416]

約数ペア:

[(1, 20218416), (2, 10109208), (3, 6739472), (4, 5054604), (6, 3369736), (8, 2527302), (12, 1684868), (16, 1263651), (24, 842434), (48, 421217), (397, 50928), (794, 25464), (1061, 19056), (1191, 16976), (1588, 12732), (2122, 9528), (2382, 8488), (3176, 6366), (3183, 6352), (4244, 4764)]