20355712

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{941}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 43958430

約数和(自身を除く): 23602718

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 941, 1352, 1664, 1882, 2704, 3764, 5408, 7528, 10816, 12233, 15056, 21632, 24466, 30112, 48932, 60224, 97864, 120448, 159029, 195728, 318058, 391456, 636116, 782912, 1272232, 1565824, 2544464, 5088928, 10177856, 20355712]

約数ペア:

[(1, 20355712), (2, 10177856), (4, 5088928), (8, 2544464), (13, 1565824), (16, 1272232), (26, 782912), (32, 636116), (52, 391456), (64, 318058), (104, 195728), (128, 159029), (169, 120448), (208, 97864), (338, 60224), (416, 48932), (676, 30112), (832, 24466), (941, 21632), (1352, 15056), (1664, 12233), (1882, 10816), (2704, 7528), (3764, 5408)]