20392908

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 49227360

約数和(自身を除く): 28834452

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 181, 229, 246, 362, 458, 492, 543, 687, 724, 916, 1086, 1374, 2172, 2748, 7421, 9389, 14842, 18778, 22263, 28167, 29684, 37556, 41449, 44526, 56334, 82898, 89052, 112668, 124347, 165796, 248694, 497388, 1699409, 3398818, 5098227, 6797636, 10196454, 20392908]

約数ペア:

[(1, 20392908), (2, 10196454), (3, 6797636), (4, 5098227), (6, 3398818), (12, 1699409), (41, 497388), (82, 248694), (123, 165796), (164, 124347), (181, 112668), (229, 89052), (246, 82898), (362, 56334), (458, 44526), (492, 41449), (543, 37556), (687, 29684), (724, 28167), (916, 22263), (1086, 18778), (1374, 14842), (2172, 9389), (2748, 7421)]