20349105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4507}}^1$

素因数の和:4565

約数の個数: 32

約数和(自身を含む): 38083584

約数和(自身を除く): 17734479

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4507, 4515, 13521, 22535, 31549, 67605, 94647, 157745, 193801, 473235, 581403, 969005, 1356607, 2907015, 4069821, 6783035, 20349105]

約数ペア:

[(1, 20349105), (3, 6783035), (5, 4069821), (7, 2907015), (15, 1356607), (21, 969005), (35, 581403), (43, 473235), (105, 193801), (129, 157745), (215, 94647), (301, 67605), (645, 31549), (903, 22535), (1505, 13521), (4507, 4515)]