20032940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18899}}^1$

素因数の和:18961

約数の個数: 24

約数和(自身を含む): 42865200

約数和(自身を除く): 22832260

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 18899, 37798, 75596, 94495, 188990, 377980, 1001647, 2003294, 4006588, 5008235, 10016470, 20032940]

約数ペア:

[(1, 20032940), (2, 10016470), (4, 5008235), (5, 4006588), (10, 2003294), (20, 1001647), (53, 377980), (106, 188990), (212, 94495), (265, 75596), (530, 37798), (1060, 18899)]