20178386

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{523}}^1$

素因数の和:817

約数の個数: 16

約数和(自身を含む): 30786048

約数和(自身を除く): 10607662

約数列:

[1, 2, 101, 191, 202, 382, 523, 1046, 19291, 38582, 52823, 99893, 105646, 199786, 10089193, 20178386]

約数ペア:

[(1, 20178386), (2, 10089193), (101, 199786), (191, 105646), (202, 99893), (382, 52823), (523, 38582), (1046, 19291)]