20218150

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17581}}^1$

素因数の和:17616

約数の個数: 24

約数和(自身を含む): 39243024

約数和(自身を除く): 19024874

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 17581, 35162, 87905, 175810, 404363, 439525, 808726, 879050, 2021815, 4043630, 10109075, 20218150]

約数ペア:

[(1, 20218150), (2, 10109075), (5, 4043630), (10, 2021815), (23, 879050), (25, 808726), (46, 439525), (50, 404363), (115, 175810), (230, 87905), (575, 35162), (1150, 17581)]