20510760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2897}}^1$

素因数の和:2970

約数の個数: 64

約数和(自身を含む): 62596800

約数和(自身を除く): 42086040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 2897, 3540, 5794, 7080, 8691, 11588, 14485, 17382, 23176, 28970, 34764, 43455, 57940, 69528, 86910, 115880, 170923, 173820, 341846, 347640, 512769, 683692, 854615, 1025538, 1367384, 1709230, 2051076, 2563845, 3418460, 4102152, 5127690, 6836920, 10255380, 20510760]

約数ペア:

[(1, 20510760), (2, 10255380), (3, 6836920), (4, 5127690), (5, 4102152), (6, 3418460), (8, 2563845), (10, 2051076), (12, 1709230), (15, 1367384), (20, 1025538), (24, 854615), (30, 683692), (40, 512769), (59, 347640), (60, 341846), (118, 173820), (120, 170923), (177, 115880), (236, 86910), (295, 69528), (354, 57940), (472, 43455), (590, 34764), (708, 28970), (885, 23176), (1180, 17382), (1416, 14485), (1770, 11588), (2360, 8691), (2897, 7080), (3540, 5794)]