20185865865

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{90823}}^1$

素因数の和:91294

約数の個数: 48

約数和(自身を含む): 38255068800

約数和(自身を除く): 18069202935

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 449, 495, 1347, 2245, 4041, 4939, 6735, 14817, 20205, 24695, 44451, 74085, 90823, 222255, 272469, 454115, 817407, 999053, 1362345, 2997159, 4087035, 4995265, 8991477, 14985795, 40779527, 44957385, 122338581, 203897635, 367015743, 448574797, 611692905, 1345724391, 1835078715, 2242873985, 4037173173, 6728621955, 20185865865]

約数ペア:

[(1, 20185865865), (3, 6728621955), (5, 4037173173), (9, 2242873985), (11, 1835078715), (15, 1345724391), (33, 611692905), (45, 448574797), (55, 367015743), (99, 203897635), (165, 122338581), (449, 44957385), (495, 40779527), (1347, 14985795), (2245, 8991477), (4041, 4995265), (4939, 4087035), (6735, 2997159), (14817, 1362345), (20205, 999053), (24695, 817407), (44451, 454115), (74085, 272469), (90823, 222255)]