20158830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5209}}^1$

素因数の和:5265

約数の個数: 48

約数和(自身を含む): 53642160

約数和(自身を除く): 33483330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 5209, 10418, 15627, 26045, 31254, 46881, 52090, 78135, 93762, 156270, 223987, 234405, 447974, 468810, 671961, 1119935, 1343922, 2015883, 2239870, 3359805, 4031766, 6719610, 10079415, 20158830]

約数ペア:

[(1, 20158830), (2, 10079415), (3, 6719610), (5, 4031766), (6, 3359805), (9, 2239870), (10, 2015883), (15, 1343922), (18, 1119935), (30, 671961), (43, 468810), (45, 447974), (86, 234405), (90, 223987), (129, 156270), (215, 93762), (258, 78135), (387, 52090), (430, 46881), (645, 31254), (774, 26045), (1290, 15627), (1935, 10418), (3870, 5209)]