20634450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5981}}^1$

素因数の和:6019

約数の個数: 48

約数和(自身を含む): 53407296

約数和(自身を除く): 32772846

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 690, 1150, 1725, 3450, 5981, 11962, 17943, 29905, 35886, 59810, 89715, 137563, 149525, 179430, 275126, 299050, 412689, 448575, 687815, 825378, 897150, 1375630, 2063445, 3439075, 4126890, 6878150, 10317225, 20634450]

約数ペア:

[(1, 20634450), (2, 10317225), (3, 6878150), (5, 4126890), (6, 3439075), (10, 2063445), (15, 1375630), (23, 897150), (25, 825378), (30, 687815), (46, 448575), (50, 412689), (69, 299050), (75, 275126), (115, 179430), (138, 149525), (150, 137563), (230, 89715), (345, 59810), (575, 35886), (690, 29905), (1150, 17943), (1725, 11962), (3450, 5981)]