20405532

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{242923}}^1$

素因数の和:242937

約数の個数: 24

約数和(自身を含む): 54414976

約数和(自身を除く): 34009444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 242923, 485846, 728769, 971692, 1457538, 1700461, 2915076, 3400922, 5101383, 6801844, 10202766, 20405532]

約数ペア:

[(1, 20405532), (2, 10202766), (3, 6801844), (4, 5101383), (6, 3400922), (7, 2915076), (12, 1700461), (14, 1457538), (21, 971692), (28, 728769), (42, 485846), (84, 242923)]