20002455

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2377}}^1$

素因数の和:2416

約数の個数: 48

約数和(自身を含む): 40064544

約数和(自身を除く): 20062089

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 255, 495, 561, 765, 935, 1683, 2377, 2805, 7131, 8415, 11885, 21393, 26147, 35655, 40409, 78441, 106965, 121227, 130735, 202045, 235323, 363681, 392205, 444499, 606135, 1176615, 1333497, 1818405, 2222495, 4000491, 6667485, 20002455]

約数ペア:

[(1, 20002455), (3, 6667485), (5, 4000491), (9, 2222495), (11, 1818405), (15, 1333497), (17, 1176615), (33, 606135), (45, 444499), (51, 392205), (55, 363681), (85, 235323), (99, 202045), (153, 130735), (165, 121227), (187, 106965), (255, 78441), (495, 40409), (561, 35655), (765, 26147), (935, 21393), (1683, 11885), (2377, 8415), (2805, 7131)]