20453910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11177}}^1$

素因数の和:11248

約数の個数: 32

約数和(自身を含む): 49898592

約数和(自身を除く): 29444682

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 11177, 22354, 33531, 55885, 67062, 111770, 167655, 335310, 681797, 1363594, 2045391, 3408985, 4090782, 6817970, 10226955, 20453910]

約数ペア:

[(1, 20453910), (2, 10226955), (3, 6817970), (5, 4090782), (6, 3408985), (10, 2045391), (15, 1363594), (30, 681797), (61, 335310), (122, 167655), (183, 111770), (305, 67062), (366, 55885), (610, 33531), (915, 22354), (1830, 11177)]