20872862

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{541}}^1$

素因数の和:835

約数の個数: 16

約数和(自身を含む): 31843584

約数和(自身を除く): 10970722

約数列:

[1, 2, 101, 191, 202, 382, 541, 1082, 19291, 38582, 54641, 103331, 109282, 206662, 10436431, 20872862]

約数ペア:

[(1, 20872862), (2, 10436431), (101, 206662), (191, 109282), (202, 103331), (382, 54641), (541, 38582), (1082, 19291)]