20821410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{231349}}^1$

素因数の和:231362

約数の個数: 24

約数和(自身を含む): 54135900

約数和(自身を除く): 33314490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 231349, 462698, 694047, 1156745, 1388094, 2082141, 2313490, 3470235, 4164282, 6940470, 10410705, 20821410]

約数ペア:

[(1, 20821410), (2, 10410705), (3, 6940470), (5, 4164282), (6, 3470235), (9, 2313490), (10, 2082141), (15, 1388094), (18, 1156745), (30, 694047), (45, 462698), (90, 231349)]