20280370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{557}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 40015296

約数和(自身を除く): 19734926

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 331, 557, 662, 1114, 1655, 2785, 3310, 3641, 5570, 6127, 7282, 12254, 18205, 30635, 36410, 61270, 184367, 368734, 921835, 1843670, 2028037, 4056074, 10140185, 20280370]

約数ペア:

[(1, 20280370), (2, 10140185), (5, 4056074), (10, 2028037), (11, 1843670), (22, 921835), (55, 368734), (110, 184367), (331, 61270), (557, 36410), (662, 30635), (1114, 18205), (1655, 12254), (2785, 7282), (3310, 6127), (3641, 5570)]