20178302586

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1\times {\mathrm{9491}}^1$

素因数の和:9887

約数の個数: 64

約数和(自身を含む): 44069913216

約数和(自身を除く): 23891610630

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 97, 194, 281, 291, 562, 582, 843, 1261, 1686, 2522, 3653, 3783, 7306, 7566, 9491, 10959, 18982, 21918, 27257, 28473, 54514, 56946, 81771, 123383, 163542, 246766, 354341, 370149, 708682, 740298, 920627, 1063023, 1841254, 2126046, 2666971, 2761881, 5333942, 5523762, 8000913, 11968151, 16001826, 23936302, 34670623, 35904453, 69341246, 71808906, 104011869, 208023738, 258696187, 517392374, 776088561, 1552177122, 3363050431, 6726100862, 10089151293, 20178302586]

約数ペア:

[(1, 20178302586), (2, 10089151293), (3, 6726100862), (6, 3363050431), (13, 1552177122), (26, 776088561), (39, 517392374), (78, 258696187), (97, 208023738), (194, 104011869), (281, 71808906), (291, 69341246), (562, 35904453), (582, 34670623), (843, 23936302), (1261, 16001826), (1686, 11968151), (2522, 8000913), (3653, 5523762), (3783, 5333942), (7306, 2761881), (7566, 2666971), (9491, 2126046), (10959, 1841254), (18982, 1063023), (21918, 920627), (27257, 740298), (28473, 708682), (54514, 370149), (56946, 354341), (81771, 246766), (123383, 163542)]