20591216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75703}}^1$

素因数の和:75728

約数の個数: 20

約数和(自身を含む): 42242832

約数和(自身を除く): 21651616

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75703, 151406, 302812, 605624, 1211248, 1286951, 2573902, 5147804, 10295608, 20591216]

約数ペア:

[(1, 20591216), (2, 10295608), (4, 5147804), (8, 2573902), (16, 1286951), (17, 1211248), (34, 605624), (68, 302812), (136, 151406), (272, 75703)]