20119590

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 80

約数和(自身を含む): 55146960

約数和(自身を除く): 35027370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 59, 81, 90, 118, 135, 162, 177, 270, 295, 354, 405, 421, 531, 590, 810, 842, 885, 1062, 1263, 1593, 1770, 2105, 2526, 2655, 3186, 3789, 4210, 4779, 5310, 6315, 7578, 7965, 9558, 11367, 12630, 15930, 18945, 22734, 23895, 24839, 34101, 37890, 47790, 49678, 56835, 68202, 74517, 113670, 124195, 149034, 170505, 223551, 248390, 341010, 372585, 447102, 670653, 745170, 1117755, 1341306, 2011959, 2235510, 3353265, 4023918, 6706530, 10059795, 20119590]

約数ペア:

[(1, 20119590), (2, 10059795), (3, 6706530), (5, 4023918), (6, 3353265), (9, 2235510), (10, 2011959), (15, 1341306), (18, 1117755), (27, 745170), (30, 670653), (45, 447102), (54, 372585), (59, 341010), (81, 248390), (90, 223551), (118, 170505), (135, 149034), (162, 124195), (177, 113670), (270, 74517), (295, 68202), (354, 56835), (405, 49678), (421, 47790), (531, 37890), (590, 34101), (810, 24839), (842, 23895), (885, 22734), (1062, 18945), (1263, 15930), (1593, 12630), (1770, 11367), (2105, 9558), (2526, 7965), (2655, 7578), (3186, 6315), (3789, 5310), (4210, 4779)]