20201497686

素因数分解:

$2^1\times 3^4\times {\mathrm{131}}^1\times {\mathrm{557}}^1\times {\mathrm{1709}}^1$

素因数の和:2411

約数の個数: 80

約数和(自身を含む): 45720488880

約数和(自身を除く): 25518991194

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 131, 162, 262, 393, 557, 786, 1114, 1179, 1671, 1709, 2358, 3342, 3418, 3537, 5013, 5127, 7074, 10026, 10254, 10611, 15039, 15381, 21222, 30078, 30762, 45117, 46143, 72967, 90234, 92286, 138429, 145934, 218901, 223879, 276858, 437802, 447758, 656703, 671637, 951913, 1313406, 1343274, 1903826, 1970109, 2014911, 2855739, 3940218, 4029822, 5711478, 5910327, 6044733, 8567217, 11820654, 12089466, 17134434, 18134199, 25701651, 36268398, 51403302, 77104953, 124700603, 154209906, 249401206, 374101809, 748203618, 1122305427, 2244610854, 3366916281, 6733832562, 10100748843, 20201497686]

約数ペア:

[(1, 20201497686), (2, 10100748843), (3, 6733832562), (6, 3366916281), (9, 2244610854), (18, 1122305427), (27, 748203618), (54, 374101809), (81, 249401206), (131, 154209906), (162, 124700603), (262, 77104953), (393, 51403302), (557, 36268398), (786, 25701651), (1114, 18134199), (1179, 17134434), (1671, 12089466), (1709, 11820654), (2358, 8567217), (3342, 6044733), (3418, 5910327), (3537, 5711478), (5013, 4029822), (5127, 3940218), (7074, 2855739), (10026, 2014911), (10254, 1970109), (10611, 1903826), (15039, 1343274), (15381, 1313406), (21222, 951913), (30078, 671637), (30762, 656703), (45117, 447758), (46143, 437802), (72967, 276858), (90234, 223879), (92286, 218901), (138429, 145934)]