20531988

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:294

約数の個数: 96

約数和(自身を含む): 57697920

約数和(自身を除く): 37165932

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 53, 54, 68, 102, 106, 108, 153, 159, 204, 211, 212, 306, 318, 422, 459, 477, 612, 633, 636, 844, 901, 918, 954, 1266, 1431, 1802, 1836, 1899, 1908, 2532, 2703, 2862, 3587, 3604, 3798, 5406, 5697, 5724, 7174, 7596, 8109, 10761, 10812, 11183, 11394, 14348, 16218, 21522, 22366, 22788, 24327, 32283, 32436, 33549, 43044, 44732, 48654, 64566, 67098, 96849, 97308, 100647, 129132, 134196, 190111, 193698, 201294, 301941, 380222, 387396, 402588, 570333, 603882, 760444, 1140666, 1207764, 1710999, 2281332, 3421998, 5132997, 6843996, 10265994, 20531988]

約数ペア:

[(1, 20531988), (2, 10265994), (3, 6843996), (4, 5132997), (6, 3421998), (9, 2281332), (12, 1710999), (17, 1207764), (18, 1140666), (27, 760444), (34, 603882), (36, 570333), (51, 402588), (53, 387396), (54, 380222), (68, 301941), (102, 201294), (106, 193698), (108, 190111), (153, 134196), (159, 129132), (204, 100647), (211, 97308), (212, 96849), (306, 67098), (318, 64566), (422, 48654), (459, 44732), (477, 43044), (612, 33549), (633, 32436), (636, 32283), (844, 24327), (901, 22788), (918, 22366), (954, 21522), (1266, 16218), (1431, 14348), (1802, 11394), (1836, 11183), (1899, 10812), (1908, 10761), (2532, 8109), (2703, 7596), (2862, 7174), (3587, 5724), (3604, 5697), (3798, 5406)]