20933145

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 37806912

約数和(自身を除く): 16873767

約数列:

[1, 3, 5, 9, 15, 45, 53, 67, 131, 159, 201, 265, 335, 393, 477, 603, 655, 795, 1005, 1179, 1965, 2385, 3015, 3551, 5895, 6943, 8777, 10653, 17755, 20829, 26331, 31959, 34715, 43885, 53265, 62487, 78993, 104145, 131655, 159795, 312435, 394965, 465181, 1395543, 2325905, 4186629, 6977715, 20933145]

約数ペア:

[(1, 20933145), (3, 6977715), (5, 4186629), (9, 2325905), (15, 1395543), (45, 465181), (53, 394965), (67, 312435), (131, 159795), (159, 131655), (201, 104145), (265, 78993), (335, 62487), (393, 53265), (477, 43885), (603, 34715), (655, 31959), (795, 26331), (1005, 20829), (1179, 17755), (1965, 10653), (2385, 8777), (3015, 6943), (3551, 5895)]