20380450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23977}}^1$

素因数の和:24006

約数の個数: 24

約数和(自身を含む): 40139172

約数和(自身を除く): 19758722

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 23977, 47954, 119885, 239770, 407609, 599425, 815218, 1198850, 2038045, 4076090, 10190225, 20380450]

約数ペア:

[(1, 20380450), (2, 10190225), (5, 4076090), (10, 2038045), (17, 1198850), (25, 815218), (34, 599425), (50, 407609), (85, 239770), (170, 119885), (425, 47954), (850, 23977)]