20138160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11987}}^1$

素因数の和:12010

約数の個数: 80

約数和(自身を含む): 71352576

約数和(自身を除く): 51214416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11987, 23974, 35961, 47948, 59935, 71922, 83909, 95896, 119870, 143844, 167818, 179805, 191792, 239740, 251727, 287688, 335636, 359610, 419545, 479480, 503454, 575376, 671272, 719220, 839090, 958960, 1006908, 1258635, 1342544, 1438440, 1678180, 2013816, 2517270, 2876880, 3356360, 4027632, 5034540, 6712720, 10069080, 20138160]

約数ペア:

[(1, 20138160), (2, 10069080), (3, 6712720), (4, 5034540), (5, 4027632), (6, 3356360), (7, 2876880), (8, 2517270), (10, 2013816), (12, 1678180), (14, 1438440), (15, 1342544), (16, 1258635), (20, 1006908), (21, 958960), (24, 839090), (28, 719220), (30, 671272), (35, 575376), (40, 503454), (42, 479480), (48, 419545), (56, 359610), (60, 335636), (70, 287688), (80, 251727), (84, 239740), (105, 191792), (112, 179805), (120, 167818), (140, 143844), (168, 119870), (210, 95896), (240, 83909), (280, 71922), (336, 59935), (420, 47948), (560, 35961), (840, 23974), (1680, 11987)]