20836305

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1297}}^1$

素因数の和:1335

約数の個数: 64

約数和(自身を含む): 44858880

約数和(自身を除く): 24022575

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 459, 595, 765, 945, 1071, 1297, 1785, 2295, 3213, 3891, 5355, 6485, 9079, 11673, 16065, 19455, 22049, 27237, 35019, 45395, 58365, 66147, 81711, 110245, 136185, 154343, 175095, 198441, 245133, 330735, 408555, 463029, 595323, 771715, 992205, 1225665, 1389087, 2315145, 2976615, 4167261, 6945435, 20836305]

約数ペア:

[(1, 20836305), (3, 6945435), (5, 4167261), (7, 2976615), (9, 2315145), (15, 1389087), (17, 1225665), (21, 992205), (27, 771715), (35, 595323), (45, 463029), (51, 408555), (63, 330735), (85, 245133), (105, 198441), (119, 175095), (135, 154343), (153, 136185), (189, 110245), (255, 81711), (315, 66147), (357, 58365), (459, 45395), (595, 35019), (765, 27237), (945, 22049), (1071, 19455), (1297, 16065), (1785, 11673), (2295, 9079), (3213, 6485), (3891, 5355)]