20042541

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1297}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 30980664

約数和(自身を除く): 10938123

約数列:

[1, 3, 9, 17, 51, 101, 153, 303, 909, 1297, 1717, 3891, 5151, 11673, 15453, 22049, 66147, 130997, 198441, 392991, 1178973, 2226949, 6680847, 20042541]

約数ペア:

[(1, 20042541), (3, 6680847), (9, 2226949), (17, 1178973), (51, 392991), (101, 198441), (153, 130997), (303, 66147), (909, 22049), (1297, 15453), (1717, 11673), (3891, 5151)]