20641270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1913}}^1$

素因数の和:2016

約数の個数: 32

約数和(自身を含む): 40515552

約数和(自身を除く): 19874282

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 1913, 2158, 3826, 5395, 9565, 10790, 19130, 24869, 49738, 124345, 158779, 248690, 317558, 793895, 1587790, 2064127, 4128254, 10320635, 20641270]

約数ペア:

[(1, 20641270), (2, 10320635), (5, 4128254), (10, 2064127), (13, 1587790), (26, 793895), (65, 317558), (83, 248690), (130, 158779), (166, 124345), (415, 49738), (830, 24869), (1079, 19130), (1913, 10790), (2158, 9565), (3826, 5395)]