20519160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1693}}^1$

素因数の和:1808

約数の個数: 64

約数和(自身を含む): 62203680

約数和(自身を除く): 41684520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1693, 2020, 2424, 3030, 3386, 4040, 5079, 6060, 6772, 8465, 10158, 12120, 13544, 16930, 20316, 25395, 33860, 40632, 50790, 67720, 101580, 170993, 203160, 341986, 512979, 683972, 854965, 1025958, 1367944, 1709930, 2051916, 2564895, 3419860, 4103832, 5129790, 6839720, 10259580, 20519160]

約数ペア:

[(1, 20519160), (2, 10259580), (3, 6839720), (4, 5129790), (5, 4103832), (6, 3419860), (8, 2564895), (10, 2051916), (12, 1709930), (15, 1367944), (20, 1025958), (24, 854965), (30, 683972), (40, 512979), (60, 341986), (101, 203160), (120, 170993), (202, 101580), (303, 67720), (404, 50790), (505, 40632), (606, 33860), (808, 25395), (1010, 20316), (1212, 16930), (1515, 13544), (1693, 12120), (2020, 10158), (2424, 8465), (3030, 6772), (3386, 6060), (4040, 5079)]