23247420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{55351}}^1$

素因数の和:55370

約数の個数: 48

約数和(自身を含む): 74393088

約数和(自身を除く): 51145668

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, 55351, 110702, 166053, 221404, 276755, 332106, 387457, 553510, 664212, 774914, 830265, 1107020, 1162371, 1549828, 1660530, 1937285, 2324742, 3321060, 3874570, 4649484, 5811855, 7749140, 11623710, 23247420]

約数ペア:

[(1, 23247420), (2, 11623710), (3, 7749140), (4, 5811855), (5, 4649484), (6, 3874570), (7, 3321060), (10, 2324742), (12, 1937285), (14, 1660530), (15, 1549828), (20, 1162371), (21, 1107020), (28, 830265), (30, 774914), (35, 664212), (42, 553510), (60, 387457), (70, 332106), (84, 276755), (105, 221404), (140, 166053), (210, 110702), (420, 55351)]