20163525560

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1197359}}^1$

素因数の和:1197791

約数の個数: 32

約数和(自身を含む): 45475732800

約数和(自身を除く): 25312207240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 16840, 1197359, 2394718, 4789436, 5986795, 9578872, 11973590, 23947180, 47894360, 504088139, 1008176278, 2016352556, 2520440695, 4032705112, 5040881390, 10081762780, 20163525560]

約数ペア:

[(1, 20163525560), (2, 10081762780), (4, 5040881390), (5, 4032705112), (8, 2520440695), (10, 2016352556), (20, 1008176278), (40, 504088139), (421, 47894360), (842, 23947180), (1684, 11973590), (2105, 9578872), (3368, 5986795), (4210, 4789436), (8420, 2394718), (16840, 1197359)]