20128995632

素因数分解:

$2^4\times {\mathrm{3251}}^1\times {\mathrm{386977}}^1$

素因数の和:390236

約数の個数: 20

約数和(自身を含む): 39012026136

約数和(自身を除く): 18883030504

約数列:

[1, 2, 4, 8, 16, 3251, 6502, 13004, 26008, 52016, 386977, 773954, 1547908, 3095816, 6191632, 1258062227, 2516124454, 5032248908, 10064497816, 20128995632]

約数ペア:

[(1, 20128995632), (2, 10064497816), (4, 5032248908), (8, 2516124454), (16, 1258062227), (3251, 6191632), (6502, 3095816), (13004, 1547908), (26008, 773954), (52016, 386977)]