20661616

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{6761}}^1$

素因数の和:6960

約数の個数: 20

約数和(自身を含む): 40247424

約数和(自身を除く): 19585808

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 6761, 13522, 27044, 54088, 108176, 1291351, 2582702, 5165404, 10330808, 20661616]

約数ペア:

[(1, 20661616), (2, 10330808), (4, 5165404), (8, 2582702), (16, 1291351), (191, 108176), (382, 54088), (764, 27044), (1528, 13522), (3056, 6761)]