20370448

素因数分解:

$2^4\times 7^1\times {\mathrm{239}}^1\times {\mathrm{761}}^1$

素因数の和:1015

約数の個数: 40

約数和(自身を含む): 45354240

約数和(自身を除く): 24983792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 239, 478, 761, 956, 1522, 1673, 1912, 3044, 3346, 3824, 5327, 6088, 6692, 10654, 12176, 13384, 21308, 26768, 42616, 85232, 181879, 363758, 727516, 1273153, 1455032, 2546306, 2910064, 5092612, 10185224, 20370448]

約数ペア:

[(1, 20370448), (2, 10185224), (4, 5092612), (7, 2910064), (8, 2546306), (14, 1455032), (16, 1273153), (28, 727516), (56, 363758), (112, 181879), (239, 85232), (478, 42616), (761, 26768), (956, 21308), (1522, 13384), (1673, 12176), (1912, 10654), (3044, 6692), (3346, 6088), (3824, 5327)]