20177468020

素因数分解:

$2^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{787}}^1\times {\mathrm{1667}}^1$

素因数の和:3232

約数の個数: 48

約数和(自身を含む): 42507178560

約数和(自身を除く): 22329710540

約数列:

[1, 2, 4, 5, 10, 20, 769, 787, 1538, 1574, 1667, 3076, 3148, 3334, 3845, 3935, 6668, 7690, 7870, 8335, 15380, 15740, 16670, 33340, 605203, 1210406, 1281923, 1311929, 2420812, 2563846, 2623858, 3026015, 5127692, 5247716, 6052030, 6409615, 6559645, 12104060, 12819230, 13119290, 25638460, 26238580, 1008873401, 2017746802, 4035493604, 5044367005, 10088734010, 20177468020]

約数ペア:

[(1, 20177468020), (2, 10088734010), (4, 5044367005), (5, 4035493604), (10, 2017746802), (20, 1008873401), (769, 26238580), (787, 25638460), (1538, 13119290), (1574, 12819230), (1667, 12104060), (3076, 6559645), (3148, 6409615), (3334, 6052030), (3845, 5247716), (3935, 5127692), (6668, 3026015), (7690, 2623858), (7870, 2563846), (8335, 2420812), (15380, 1311929), (15740, 1281923), (16670, 1210406), (33340, 605203)]