20872650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{227}}^1\times {\mathrm{613}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 52077024

約数和(自身を除く): 31204374

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 227, 454, 613, 681, 1135, 1226, 1362, 1839, 2270, 3065, 3405, 3678, 5675, 6130, 6810, 9195, 11350, 15325, 17025, 18390, 30650, 34050, 45975, 91950, 139151, 278302, 417453, 695755, 834906, 1391510, 2087265, 3478775, 4174530, 6957550, 10436325, 20872650]

約数ペア:

[(1, 20872650), (2, 10436325), (3, 6957550), (5, 4174530), (6, 3478775), (10, 2087265), (15, 1391510), (25, 834906), (30, 695755), (50, 417453), (75, 278302), (150, 139151), (227, 91950), (454, 45975), (613, 34050), (681, 30650), (1135, 18390), (1226, 17025), (1362, 15325), (1839, 11350), (2270, 9195), (3065, 6810), (3405, 6130), (3678, 5675)]