20860035

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 39349152

約数和(自身を除く): 18489117

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 101, 105, 147, 245, 281, 303, 505, 707, 735, 843, 1405, 1515, 1967, 2121, 3535, 4215, 4949, 5901, 9835, 10605, 13769, 14847, 24745, 28381, 29505, 41307, 68845, 74235, 85143, 141905, 198667, 206535, 425715, 596001, 993335, 1390669, 2980005, 4172007, 6953345, 20860035]

約数ペア:

[(1, 20860035), (3, 6953345), (5, 4172007), (7, 2980005), (15, 1390669), (21, 993335), (35, 596001), (49, 425715), (101, 206535), (105, 198667), (147, 141905), (245, 85143), (281, 74235), (303, 68845), (505, 41307), (707, 29505), (735, 28381), (843, 24745), (1405, 14847), (1515, 13769), (1967, 10605), (2121, 9835), (3535, 5901), (4215, 4949)]