20900208

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3659}}^1$

素因数の和:3694

約数の個数: 80

約数和(自身を含む): 65352960

約数和(自身を除く): 44452752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 68, 84, 102, 112, 119, 136, 168, 204, 238, 272, 336, 357, 408, 476, 714, 816, 952, 1428, 1904, 2856, 3659, 5712, 7318, 10977, 14636, 21954, 25613, 29272, 43908, 51226, 58544, 62203, 76839, 87816, 102452, 124406, 153678, 175632, 186609, 204904, 248812, 307356, 373218, 409808, 435421, 497624, 614712, 746436, 870842, 995248, 1229424, 1306263, 1492872, 1741684, 2612526, 2985744, 3483368, 5225052, 6966736, 10450104, 20900208]

約数ペア:

[(1, 20900208), (2, 10450104), (3, 6966736), (4, 5225052), (6, 3483368), (7, 2985744), (8, 2612526), (12, 1741684), (14, 1492872), (16, 1306263), (17, 1229424), (21, 995248), (24, 870842), (28, 746436), (34, 614712), (42, 497624), (48, 435421), (51, 409808), (56, 373218), (68, 307356), (84, 248812), (102, 204904), (112, 186609), (119, 175632), (136, 153678), (168, 124406), (204, 102452), (238, 87816), (272, 76839), (336, 62203), (357, 58544), (408, 51226), (476, 43908), (714, 29272), (816, 25613), (952, 21954), (1428, 14636), (1904, 10977), (2856, 7318), (3659, 5712)]