20682606970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4871}}^1\times {\mathrm{13697}}^1$

素因数の和:18606

約数の個数: 32

約数和(自身を含む): 38440313856

約数和(自身を除く): 17757706886

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 4871, 9742, 13697, 24355, 27394, 48710, 68485, 136970, 151001, 302002, 424607, 755005, 849214, 1510010, 2123035, 4246070, 66718087, 133436174, 333590435, 667180870, 2068260697, 4136521394, 10341303485, 20682606970]

約数ペア:

[(1, 20682606970), (2, 10341303485), (5, 4136521394), (10, 2068260697), (31, 667180870), (62, 333590435), (155, 133436174), (310, 66718087), (4871, 4246070), (9742, 2123035), (13697, 1510010), (24355, 849214), (27394, 755005), (48710, 424607), (68485, 302002), (136970, 151001)]