20183475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 36442112

約数和(自身を除く): 16258637

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 127, 163, 195, 325, 381, 489, 635, 815, 975, 1651, 1905, 2119, 2445, 3175, 4075, 4953, 6357, 8255, 9525, 10595, 12225, 20701, 24765, 31785, 41275, 52975, 62103, 103505, 123825, 158925, 269113, 310515, 517525, 807339, 1345565, 1552575, 4036695, 6727825, 20183475]

約数ペア:

[(1, 20183475), (3, 6727825), (5, 4036695), (13, 1552575), (15, 1345565), (25, 807339), (39, 517525), (65, 310515), (75, 269113), (127, 158925), (163, 123825), (195, 103505), (325, 62103), (381, 52975), (489, 41275), (635, 31785), (815, 24765), (975, 20701), (1651, 12225), (1905, 10595), (2119, 9525), (2445, 8255), (3175, 6357), (4075, 4953)]