20518532520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{885947}}^1$

素因数の和:886154

約数の個数: 64

約数和(自身を含む): 61874608320

約数和(自身を除く): 41356075800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 193, 386, 579, 772, 965, 1158, 1544, 1930, 2316, 2895, 3860, 4632, 5790, 7720, 11580, 23160, 885947, 1771894, 2657841, 3543788, 4429735, 5315682, 7087576, 8859470, 10631364, 13289205, 17718940, 21262728, 26578410, 35437880, 53156820, 106313640, 170987771, 341975542, 512963313, 683951084, 854938855, 1025926626, 1367902168, 1709877710, 2051853252, 2564816565, 3419755420, 4103706504, 5129633130, 6839510840, 10259266260, 20518532520]

約数ペア:

[(1, 20518532520), (2, 10259266260), (3, 6839510840), (4, 5129633130), (5, 4103706504), (6, 3419755420), (8, 2564816565), (10, 2051853252), (12, 1709877710), (15, 1367902168), (20, 1025926626), (24, 854938855), (30, 683951084), (40, 512963313), (60, 341975542), (120, 170987771), (193, 106313640), (386, 53156820), (579, 35437880), (772, 26578410), (965, 21262728), (1158, 17718940), (1544, 13289205), (1930, 10631364), (2316, 8859470), (2895, 7087576), (3860, 5315682), (4632, 4429735), (5790, 3543788), (7720, 2657841), (11580, 1771894), (23160, 885947)]