20147715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{383}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 40255488

約数和(自身を除く): 20107773

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 167, 315, 383, 501, 835, 1149, 1169, 1503, 1915, 2505, 2681, 3447, 3507, 5745, 5845, 7515, 8043, 10521, 13405, 17235, 17535, 24129, 40215, 52605, 63961, 120645, 191883, 319805, 447727, 575649, 959415, 1343181, 2238635, 2878245, 4029543, 6715905, 20147715]

約数ペア:

[(1, 20147715), (3, 6715905), (5, 4029543), (7, 2878245), (9, 2238635), (15, 1343181), (21, 959415), (35, 575649), (45, 447727), (63, 319805), (105, 191883), (167, 120645), (315, 63961), (383, 52605), (501, 40215), (835, 24129), (1149, 17535), (1169, 17235), (1503, 13405), (1915, 10521), (2505, 8043), (2681, 7515), (3447, 5845), (3507, 5745)]