20218389430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8429}}^1\times {\mathrm{10429}}^1$

素因数の和:18888

約数の個数: 32

約数和(自身を含む): 37983556800

約数和(自身を除く): 17765167370

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 8429, 10429, 16858, 20858, 42145, 52145, 84290, 104290, 193867, 239867, 387734, 479734, 969335, 1199335, 1938670, 2398670, 87906041, 175812082, 439530205, 879060410, 2021838943, 4043677886, 10109194715, 20218389430]

約数ペア:

[(1, 20218389430), (2, 10109194715), (5, 4043677886), (10, 2021838943), (23, 879060410), (46, 439530205), (115, 175812082), (230, 87906041), (8429, 2398670), (10429, 1938670), (16858, 1199335), (20858, 969335), (42145, 479734), (52145, 387734), (84290, 239867), (104290, 193867)]