20335264

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1289}}^1$

素因数の和:1345

約数の個数: 48

約数和(自身を含む): 43885800

約数和(自身を除く): 23550536

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 68, 116, 136, 232, 272, 464, 493, 544, 928, 986, 1289, 1972, 2578, 3944, 5156, 7888, 10312, 15776, 20624, 21913, 37381, 41248, 43826, 74762, 87652, 149524, 175304, 299048, 350608, 598096, 635477, 701216, 1196192, 1270954, 2541908, 5083816, 10167632, 20335264]

約数ペア:

[(1, 20335264), (2, 10167632), (4, 5083816), (8, 2541908), (16, 1270954), (17, 1196192), (29, 701216), (32, 635477), (34, 598096), (58, 350608), (68, 299048), (116, 175304), (136, 149524), (232, 87652), (272, 74762), (464, 43826), (493, 41248), (544, 37381), (928, 21913), (986, 20624), (1289, 15776), (1972, 10312), (2578, 7888), (3944, 5156)]