20164570

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2243}}^1$

素因数の和:2310

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 18611750

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 2243, 4486, 4495, 8990, 11215, 22430, 65047, 69533, 130094, 139066, 325235, 347665, 650470, 695330, 2016457, 4032914, 10082285, 20164570]

約数ペア:

[(1, 20164570), (2, 10082285), (5, 4032914), (10, 2016457), (29, 695330), (31, 650470), (58, 347665), (62, 325235), (145, 139066), (155, 130094), (290, 69533), (310, 65047), (899, 22430), (1798, 11215), (2243, 8990), (4486, 4495)]