20555728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41443}}^1$

素因数の和:41482

約数の個数: 20

約数和(自身を含む): 41112448

約数和(自身を除く): 20556720

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41443, 82886, 165772, 331544, 663088, 1284733, 2569466, 5138932, 10277864, 20555728]

約数ペア:

[(1, 20555728), (2, 10277864), (4, 5138932), (8, 2569466), (16, 1284733), (31, 663088), (62, 331544), (124, 165772), (248, 82886), (496, 41443)]