20144292885

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{370879}}^1$

素因数の和:370978

約数の個数: 48

約数和(自身を含む): 37491517440

約数和(自身を除く): 17347224555

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 639, 765, 1065, 1207, 3195, 3621, 6035, 10863, 18105, 54315, 370879, 1112637, 1854395, 3337911, 5563185, 6304943, 16689555, 18914829, 26332409, 31524715, 56744487, 78997227, 94574145, 131662045, 236991681, 283722435, 394986135, 447650953, 1184958405, 1342952859, 2238254765, 4028858577, 6714764295, 20144292885]

約数ペア:

[(1, 20144292885), (3, 6714764295), (5, 4028858577), (9, 2238254765), (15, 1342952859), (17, 1184958405), (45, 447650953), (51, 394986135), (71, 283722435), (85, 236991681), (153, 131662045), (213, 94574145), (255, 78997227), (355, 56744487), (639, 31524715), (765, 26332409), (1065, 18914829), (1207, 16689555), (3195, 6304943), (3621, 5563185), (6035, 3337911), (10863, 1854395), (18105, 1112637), (54315, 370879)]