20291418

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53681}}^1$

素因数の和:53699

約数の個数: 32

約数和(自身を含む): 51534720

約数和(自身を除く): 31243302

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 53681, 107362, 161043, 322086, 375767, 483129, 751534, 966258, 1127301, 1449387, 2254602, 2898774, 3381903, 6763806, 10145709, 20291418]

約数ペア:

[(1, 20291418), (2, 10145709), (3, 6763806), (6, 3381903), (7, 2898774), (9, 2254602), (14, 1449387), (18, 1127301), (21, 966258), (27, 751534), (42, 483129), (54, 375767), (63, 322086), (126, 161043), (189, 107362), (378, 53681)]