20974212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83231}}^1$

素因数の和:83248

約数の個数: 36

約数和(自身を含む): 60592896

約数和(自身を除く): 39618684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 83231, 166462, 249693, 332924, 499386, 582617, 749079, 998772, 1165234, 1498158, 1747851, 2330468, 2996316, 3495702, 5243553, 6991404, 10487106, 20974212]

約数ペア:

[(1, 20974212), (2, 10487106), (3, 6991404), (4, 5243553), (6, 3495702), (7, 2996316), (9, 2330468), (12, 1747851), (14, 1498158), (18, 1165234), (21, 998772), (28, 749079), (36, 582617), (42, 499386), (63, 332924), (84, 249693), (126, 166462), (252, 83231)]