20072810

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{887}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 37850112

約数和(自身を除く): 17777302

約数列:

[1, 2, 5, 10, 31, 62, 73, 146, 155, 310, 365, 730, 887, 1774, 2263, 4435, 4526, 8870, 11315, 22630, 27497, 54994, 64751, 129502, 137485, 274970, 323755, 647510, 2007281, 4014562, 10036405, 20072810]

約数ペア:

[(1, 20072810), (2, 10036405), (5, 4014562), (10, 2007281), (31, 647510), (62, 323755), (73, 274970), (146, 137485), (155, 129502), (310, 64751), (365, 54994), (730, 27497), (887, 22630), (1774, 11315), (2263, 8870), (4435, 4526)]