20318655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11383}}^1$

素因数の和:11415

約数の個数: 32

約数和(自身を含む): 39343104

約数和(自身を除く): 19024449

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11383, 34149, 56915, 79681, 170745, 193511, 239043, 398405, 580533, 967555, 1195215, 1354577, 2902665, 4063731, 6772885, 20318655]

約数ペア:

[(1, 20318655), (3, 6772885), (5, 4063731), (7, 2902665), (15, 1354577), (17, 1195215), (21, 967555), (35, 580533), (51, 398405), (85, 239043), (105, 193511), (119, 170745), (255, 79681), (357, 56915), (595, 34149), (1785, 11383)]