20464605

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9281}}^1$

素因数の和:9306

約数の個数: 36

約数和(自身を含む): 41267772

約数和(自身を除く): 20803167

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9281, 27843, 46405, 64967, 83529, 139215, 194901, 324835, 417645, 454769, 584703, 974505, 1364307, 2273845, 2923515, 4092921, 6821535, 20464605]

約数ペア:

[(1, 20464605), (3, 6821535), (5, 4092921), (7, 2923515), (9, 2273845), (15, 1364307), (21, 974505), (35, 584703), (45, 454769), (49, 417645), (63, 324835), (105, 194901), (147, 139215), (245, 83529), (315, 64967), (441, 46405), (735, 27843), (2205, 9281)]