20161950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{967}}^1$

素因数の和:1121

約数の個数: 48

約数和(自身を含む): 50413440

約数和(自身を除く): 30251490

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 139, 150, 278, 417, 695, 834, 967, 1390, 1934, 2085, 2901, 3475, 4170, 4835, 5802, 6950, 9670, 10425, 14505, 20850, 24175, 29010, 48350, 72525, 134413, 145050, 268826, 403239, 672065, 806478, 1344130, 2016195, 3360325, 4032390, 6720650, 10080975, 20161950]

約数ペア:

[(1, 20161950), (2, 10080975), (3, 6720650), (5, 4032390), (6, 3360325), (10, 2016195), (15, 1344130), (25, 806478), (30, 672065), (50, 403239), (75, 268826), (139, 145050), (150, 134413), (278, 72525), (417, 48350), (695, 29010), (834, 24175), (967, 20850), (1390, 14505), (1934, 10425), (2085, 9670), (2901, 6950), (3475, 5802), (4170, 4835)]