20090350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{941}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 43452576

約数和(自身を除く): 23362226

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 175, 305, 350, 427, 610, 854, 941, 1525, 1882, 2135, 3050, 4270, 4705, 6587, 9410, 10675, 13174, 21350, 23525, 32935, 47050, 57401, 65870, 114802, 164675, 287005, 329350, 401807, 574010, 803614, 1435025, 2009035, 2870050, 4018070, 10045175, 20090350]

約数ペア:

[(1, 20090350), (2, 10045175), (5, 4018070), (7, 2870050), (10, 2009035), (14, 1435025), (25, 803614), (35, 574010), (50, 401807), (61, 329350), (70, 287005), (122, 164675), (175, 114802), (305, 65870), (350, 57401), (427, 47050), (610, 32935), (854, 23525), (941, 21350), (1525, 13174), (1882, 10675), (2135, 9410), (3050, 6587), (4270, 4705)]