20735408

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{18253}}^1$

素因数の和:18332

約数の個数: 20

約数和(自身を含む): 40742928

約数和(自身を除く): 20007520

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18253, 36506, 73012, 146024, 292048, 1295963, 2591926, 5183852, 10367704, 20735408]

約数ペア:

[(1, 20735408), (2, 10367704), (4, 5183852), (8, 2591926), (16, 1295963), (71, 292048), (142, 146024), (284, 73012), (568, 36506), (1136, 18253)]