20238458

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8731}}^1$

素因数の和:8813

約数の個数: 16

約数和(自身を含む): 32483040

約数和(自身を除く): 12244582

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 8731, 17462, 165889, 331778, 532591, 1065182, 10119229, 20238458]

約数ペア:

[(1, 20238458), (2, 10119229), (19, 1065182), (38, 532591), (61, 331778), (122, 165889), (1159, 17462), (2318, 8731)]