20904930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10099}}^1$

素因数の和:10135

約数の個数: 48

約数和(自身を含む): 56721600

約数和(自身を除く): 35816670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 10099, 20198, 30297, 50495, 60594, 90891, 100990, 151485, 181782, 232277, 302970, 454455, 464554, 696831, 908910, 1161385, 1393662, 2090493, 2322770, 3484155, 4180986, 6968310, 10452465, 20904930]

約数ペア:

[(1, 20904930), (2, 10452465), (3, 6968310), (5, 4180986), (6, 3484155), (9, 2322770), (10, 2090493), (15, 1393662), (18, 1161385), (23, 908910), (30, 696831), (45, 464554), (46, 454455), (69, 302970), (90, 232277), (115, 181782), (138, 151485), (207, 100990), (230, 90891), (345, 60594), (414, 50495), (690, 30297), (1035, 20198), (2070, 10099)]