20148015

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^2$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 33206544

約数和(自身を除く): 13058529

約数列:

[1, 3, 5, 15, 41, 123, 181, 205, 543, 615, 905, 2715, 7421, 22263, 32761, 37105, 98283, 111315, 163805, 491415, 1343201, 4029603, 6716005, 20148015]

約数ペア:

[(1, 20148015), (3, 6716005), (5, 4029603), (15, 1343201), (41, 491415), (123, 163805), (181, 111315), (205, 98283), (543, 37105), (615, 32761), (905, 22263), (2715, 7421)]