20078460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{337}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 61269936

約数和(自身を除く): 41191476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 337, 662, 674, 993, 1011, 1324, 1348, 1655, 1685, 1986, 2022, 2979, 3033, 3310, 3370, 3972, 4044, 4965, 5055, 5958, 6066, 6620, 6740, 9930, 10110, 11916, 12132, 14895, 15165, 19860, 20220, 29790, 30330, 59580, 60660, 111547, 223094, 334641, 446188, 557735, 669282, 1003923, 1115470, 1338564, 1673205, 2007846, 2230940, 3346410, 4015692, 5019615, 6692820, 10039230, 20078460]

約数ペア:

[(1, 20078460), (2, 10039230), (3, 6692820), (4, 5019615), (5, 4015692), (6, 3346410), (9, 2230940), (10, 2007846), (12, 1673205), (15, 1338564), (18, 1115470), (20, 1003923), (30, 669282), (36, 557735), (45, 446188), (60, 334641), (90, 223094), (180, 111547), (331, 60660), (337, 59580), (662, 30330), (674, 29790), (993, 20220), (1011, 19860), (1324, 15165), (1348, 14895), (1655, 12132), (1685, 11916), (1986, 10110), (2022, 9930), (2979, 6740), (3033, 6620), (3310, 6066), (3370, 5958), (3972, 5055), (4044, 4965)]