156768620420

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{18618601}}^1$

素因数の和:18619031

約数の個数: 24

約数和(自身を含む): 329996101848

約数和(自身を除く): 173227481428

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 18618601, 37237202, 74474404, 93093005, 186186010, 372372020, 7838431021, 15676862042, 31353724084, 39192155105, 78384310210, 156768620420]

約数ペア:

[(1, 156768620420), (2, 78384310210), (4, 39192155105), (5, 31353724084), (10, 15676862042), (20, 7838431021), (421, 372372020), (842, 186186010), (1684, 93093005), (2105, 74474404), (4210, 37237202), (8420, 18618601)]