20323693

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:157

約数の個数: 32

約数和(自身を含む): 24514560

約数和(自身を除く): 4190867

約数列:

[1, 13, 29, 31, 37, 47, 377, 403, 481, 611, 899, 1073, 1147, 1363, 1457, 1739, 11687, 13949, 14911, 17719, 18941, 22607, 33263, 42253, 50431, 53909, 432419, 549289, 655603, 700817, 1563361, 20323693]

約数ペア:

[(1, 20323693), (13, 1563361), (29, 700817), (31, 655603), (37, 549289), (47, 432419), (377, 53909), (403, 50431), (481, 42253), (611, 33263), (899, 22607), (1073, 18941), (1147, 17719), (1363, 14911), (1457, 13949), (1739, 11687)]