20630890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10163}}^1$

素因数の和:10206

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 23277590

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10163, 20326, 50815, 71141, 101630, 142282, 294727, 355705, 589454, 711410, 1473635, 2063089, 2947270, 4126178, 10315445, 20630890]

約数ペア:

[(1, 20630890), (2, 10315445), (5, 4126178), (7, 2947270), (10, 2063089), (14, 1473635), (29, 711410), (35, 589454), (58, 355705), (70, 294727), (145, 142282), (203, 101630), (290, 71141), (406, 50815), (1015, 20326), (2030, 10163)]