20607516

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19739}}^1$

素因数の和:19778

約数の個数: 36

約数和(自身を含む): 53890200

約数和(自身を除く): 33282684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 19739, 39478, 59217, 78956, 118434, 177651, 236868, 355302, 572431, 710604, 1144862, 1717293, 2289724, 3434586, 5151879, 6869172, 10303758, 20607516]

約数ペア:

[(1, 20607516), (2, 10303758), (3, 6869172), (4, 5151879), (6, 3434586), (9, 2289724), (12, 1717293), (18, 1144862), (29, 710604), (36, 572431), (58, 355302), (87, 236868), (116, 177651), (174, 118434), (261, 78956), (348, 59217), (522, 39478), (1044, 19739)]