20385510970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9753833}}^1$

素因数の和:9753870

約数の個数: 32

約数和(自身を含む): 42136562880

約数和(自身を除く): 21751051910

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9753833, 19507666, 48769165, 97538330, 107292163, 185322827, 214584326, 370645654, 536460815, 926614135, 1072921630, 1853228270, 2038551097, 4077102194, 10192755485, 20385510970]

約数ペア:

[(1, 20385510970), (2, 10192755485), (5, 4077102194), (10, 2038551097), (11, 1853228270), (19, 1072921630), (22, 926614135), (38, 536460815), (55, 370645654), (95, 214584326), (110, 185322827), (190, 107292163), (209, 97538330), (418, 48769165), (1045, 19507666), (2090, 9753833)]