20551790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{887}}^1$

素因数の和:1232

約数の個数: 32

約数和(自身を含む): 42453504

約数和(自身を除く): 21901714

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 331, 662, 887, 1655, 1774, 2317, 3310, 4435, 4634, 6209, 8870, 11585, 12418, 23170, 31045, 62090, 293597, 587194, 1467985, 2055179, 2935970, 4110358, 10275895, 20551790]

約数ペア:

[(1, 20551790), (2, 10275895), (5, 4110358), (7, 2935970), (10, 2055179), (14, 1467985), (35, 587194), (70, 293597), (331, 62090), (662, 31045), (887, 23170), (1655, 12418), (1774, 11585), (2317, 8870), (3310, 6209), (4435, 4634)]