16947420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{40351}}^1$

素因数の和:40370

約数の個数: 48

約数和(自身を含む): 54233088

約数和(自身を除く): 37285668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 40351, 80702, 121053, 161404, 201755, 242106, 282457, 403510, 484212, 564914, 605265, 807020, 847371, 1129828, 1210530, 1412285, 1694742, 2421060, 2824570, 3389484, 4236855, 5649140, 8473710, 16947420]

約数ペア:

[(1, 16947420), (2, 8473710), (3, 5649140), (4, 4236855), (5, 3389484), (6, 2824570), (7, 2421060), (10, 1694742), (12, 1412285), (14, 1210530), (15, 1129828), (20, 847371), (21, 807020), (28, 605265), (30, 564914), (35, 484212), (42, 403510), (60, 282457), (70, 242106), (84, 201755), (105, 161404), (140, 121053), (210, 80702), (420, 40351)]