20958538

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1\times {\mathrm{683}}^1$

素因数の和:981

約数の個数: 16

約数和(自身を含む): 32093280

約数和(自身を除く): 11134742

約数列:

[1, 2, 67, 134, 229, 458, 683, 1366, 15343, 30686, 45761, 91522, 156407, 312814, 10479269, 20958538]

約数ペア:

[(1, 20958538), (2, 10479269), (67, 312814), (134, 156407), (229, 91522), (458, 45761), (683, 30686), (1366, 15343)]