20528080210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1\times {\mathrm{16811}}^1$

素因数の和:17499

約数の個数: 64

約数和(自身を含む): 42748746624

約数和(自身を除く): 22220666414

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 653, 935, 1306, 1870, 3265, 6530, 7183, 11101, 14366, 16811, 22202, 33622, 35915, 55505, 71830, 84055, 111010, 122111, 168110, 184921, 244222, 285787, 369842, 571574, 610555, 924605, 1221110, 1428935, 1849210, 2857870, 3143657, 6287314, 10977583, 15718285, 21955166, 31436570, 54887915, 109775830, 120753413, 186618911, 241506826, 373237822, 603767065, 933094555, 1207534130, 1866189110, 2052808021, 4105616042, 10264040105, 20528080210]

約数ペア:

[(1, 20528080210), (2, 10264040105), (5, 4105616042), (10, 2052808021), (11, 1866189110), (17, 1207534130), (22, 933094555), (34, 603767065), (55, 373237822), (85, 241506826), (110, 186618911), (170, 120753413), (187, 109775830), (374, 54887915), (653, 31436570), (935, 21955166), (1306, 15718285), (1870, 10977583), (3265, 6287314), (6530, 3143657), (7183, 2857870), (11101, 1849210), (14366, 1428935), (16811, 1221110), (22202, 924605), (33622, 610555), (35915, 571574), (55505, 369842), (71830, 285787), (84055, 244222), (111010, 184921), (122111, 168110)]