20633679

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 34429824

約数和(自身を除く): 13796145

約数列:

[1, 3, 9, 11, 33, 37, 43, 99, 111, 129, 131, 333, 387, 393, 407, 473, 1179, 1221, 1419, 1441, 1591, 3663, 4257, 4323, 4773, 4847, 5633, 12969, 14319, 14541, 16899, 17501, 43623, 50697, 52503, 53317, 61963, 157509, 159951, 185889, 208421, 479853, 557667, 625263, 1875789, 2292631, 6877893, 20633679]

約数ペア:

[(1, 20633679), (3, 6877893), (9, 2292631), (11, 1875789), (33, 625263), (37, 557667), (43, 479853), (99, 208421), (111, 185889), (129, 159951), (131, 157509), (333, 61963), (387, 53317), (393, 52503), (407, 50697), (473, 43623), (1179, 17501), (1221, 16899), (1419, 14541), (1441, 14319), (1591, 12969), (3663, 5633), (4257, 4847), (4323, 4773)]