13420976

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{13751}}^1$

素因数の和:13820

約数の個数: 20

約数和(自身を含む): 26431344

約数和(自身を除く): 13010368

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 13751, 27502, 55004, 110008, 220016, 838811, 1677622, 3355244, 6710488, 13420976]

約数ペア:

[(1, 13420976), (2, 6710488), (4, 3355244), (8, 1677622), (16, 838811), (61, 220016), (122, 110008), (244, 55004), (488, 27502), (976, 13751)]