20077260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6829}}^1$

素因数の和:6855

約数の個数: 72

約数和(自身を含む): 65404080

約数和(自身を除く): 45326820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6829, 13658, 20487, 27316, 34145, 40974, 47803, 68290, 81948, 95606, 102435, 136580, 143409, 191212, 204870, 239015, 286818, 334621, 409740, 478030, 573636, 669242, 717045, 956060, 1003863, 1338484, 1434090, 1673105, 2007726, 2868180, 3346210, 4015452, 5019315, 6692420, 10038630, 20077260]

約数ペア:

[(1, 20077260), (2, 10038630), (3, 6692420), (4, 5019315), (5, 4015452), (6, 3346210), (7, 2868180), (10, 2007726), (12, 1673105), (14, 1434090), (15, 1338484), (20, 1003863), (21, 956060), (28, 717045), (30, 669242), (35, 573636), (42, 478030), (49, 409740), (60, 334621), (70, 286818), (84, 239015), (98, 204870), (105, 191212), (140, 143409), (147, 136580), (196, 102435), (210, 95606), (245, 81948), (294, 68290), (420, 47803), (490, 40974), (588, 34145), (735, 27316), (980, 20487), (1470, 13658), (2940, 6829)]