20415348

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{9949}}^1$

素因数の和:9981

約数の個数: 48

約数和(自身を含む): 55720000

約数和(自身を除く): 35304652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 9949, 19898, 29847, 39796, 59694, 89541, 119388, 179082, 189031, 268623, 358164, 378062, 537246, 567093, 756124, 1074492, 1134186, 1701279, 2268372, 3402558, 5103837, 6805116, 10207674, 20415348]

約数ペア:

[(1, 20415348), (2, 10207674), (3, 6805116), (4, 5103837), (6, 3402558), (9, 2268372), (12, 1701279), (18, 1134186), (19, 1074492), (27, 756124), (36, 567093), (38, 537246), (54, 378062), (57, 358164), (76, 268623), (108, 189031), (114, 179082), (171, 119388), (228, 89541), (342, 59694), (513, 39796), (684, 29847), (1026, 19898), (2052, 9949)]