20755566

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{6823}}^1$

素因数の和:6857

約数の個数: 36

約数和(自身を含む): 48702888

約数和(自身を除く): 27947322

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 6823, 13646, 20469, 40938, 61407, 88699, 122814, 177398, 266097, 532194, 798291, 1153087, 1596582, 2306174, 3459261, 6918522, 10377783, 20755566]

約数ペア:

[(1, 20755566), (2, 10377783), (3, 6918522), (6, 3459261), (9, 2306174), (13, 1596582), (18, 1153087), (26, 798291), (39, 532194), (78, 266097), (117, 177398), (169, 122814), (234, 88699), (338, 61407), (507, 40938), (1014, 20469), (1521, 13646), (3042, 6823)]