20457612

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81181}}^1$

素因数の和:81198

約数の個数: 36

約数和(自身を含む): 59100496

約数和(自身を除く): 38642884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81181, 162362, 243543, 324724, 487086, 568267, 730629, 974172, 1136534, 1461258, 1704801, 2273068, 2922516, 3409602, 5114403, 6819204, 10228806, 20457612]

約数ペア:

[(1, 20457612), (2, 10228806), (3, 6819204), (4, 5114403), (6, 3409602), (7, 2922516), (9, 2273068), (12, 1704801), (14, 1461258), (18, 1136534), (21, 974172), (28, 730629), (36, 568267), (42, 487086), (63, 324724), (84, 243543), (126, 162362), (252, 81181)]