20621850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8087}}^1$

素因数の和:8119

約数の個数: 48

約数和(自身を含む): 54157248

約数和(自身を除く): 33535398

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 425, 510, 850, 1275, 2550, 8087, 16174, 24261, 40435, 48522, 80870, 121305, 137479, 202175, 242610, 274958, 404350, 412437, 606525, 687395, 824874, 1213050, 1374790, 2062185, 3436975, 4124370, 6873950, 10310925, 20621850]

約数ペア:

[(1, 20621850), (2, 10310925), (3, 6873950), (5, 4124370), (6, 3436975), (10, 2062185), (15, 1374790), (17, 1213050), (25, 824874), (30, 687395), (34, 606525), (50, 412437), (51, 404350), (75, 274958), (85, 242610), (102, 202175), (150, 137479), (170, 121305), (255, 80870), (425, 48522), (510, 40435), (850, 24261), (1275, 16174), (2550, 8087)]