20171142

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1053

約数の個数: 48

約数和(自身を含む): 46380672

約数和(自身を除く): 26209530

約数列:

[1, 2, 3, 6, 9, 18, 31, 37, 62, 74, 93, 111, 186, 222, 279, 333, 558, 666, 977, 1147, 1954, 2294, 2931, 3441, 5862, 6882, 8793, 10323, 17586, 20646, 30287, 36149, 60574, 72298, 90861, 108447, 181722, 216894, 272583, 325341, 545166, 650682, 1120619, 2241238, 3361857, 6723714, 10085571, 20171142]

約数ペア:

[(1, 20171142), (2, 10085571), (3, 6723714), (6, 3361857), (9, 2241238), (18, 1120619), (31, 650682), (37, 545166), (62, 325341), (74, 272583), (93, 216894), (111, 181722), (186, 108447), (222, 90861), (279, 72298), (333, 60574), (558, 36149), (666, 30287), (977, 20646), (1147, 17586), (1954, 10323), (2294, 8793), (2931, 6882), (3441, 5862)]