20256180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2837}}^1$

素因数の和:2873

約数の個数: 96

約数和(自身を含む): 68656896

約数和(自身を除く): 48400716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 2837, 3570, 5674, 7140, 8511, 11348, 14185, 17022, 19859, 28370, 34044, 39718, 42555, 48229, 56740, 59577, 79436, 85110, 96458, 99295, 119154, 144687, 170220, 192916, 198590, 238308, 241145, 289374, 297885, 337603, 397180, 482290, 578748, 595770, 675206, 723435, 964580, 1012809, 1191540, 1350412, 1446870, 1688015, 2025618, 2893740, 3376030, 4051236, 5064045, 6752060, 10128090, 20256180]

約数ペア:

[(1, 20256180), (2, 10128090), (3, 6752060), (4, 5064045), (5, 4051236), (6, 3376030), (7, 2893740), (10, 2025618), (12, 1688015), (14, 1446870), (15, 1350412), (17, 1191540), (20, 1012809), (21, 964580), (28, 723435), (30, 675206), (34, 595770), (35, 578748), (42, 482290), (51, 397180), (60, 337603), (68, 297885), (70, 289374), (84, 241145), (85, 238308), (102, 198590), (105, 192916), (119, 170220), (140, 144687), (170, 119154), (204, 99295), (210, 96458), (238, 85110), (255, 79436), (340, 59577), (357, 56740), (420, 48229), (476, 42555), (510, 39718), (595, 34044), (714, 28370), (1020, 19859), (1190, 17022), (1428, 14185), (1785, 11348), (2380, 8511), (2837, 7140), (3570, 5674)]