20928996935

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{5441}}^1$

素因数の和:5664

約数の個数: 64

約数和(自身を含む): 31947761664

約数和(自身を除く): 11018764729

約数列:

[1, 5, 7, 11, 35, 55, 77, 97, 103, 385, 485, 515, 679, 721, 1067, 1133, 3395, 3605, 5335, 5441, 5665, 7469, 7931, 9991, 27205, 37345, 38087, 39655, 49955, 59851, 69937, 109901, 190435, 299255, 349685, 418957, 527777, 549505, 560423, 769307, 2094785, 2638885, 2802115, 3694439, 3846535, 3922961, 5805547, 6164653, 18472195, 19614805, 29027735, 30823265, 40638829, 43152571, 54361031, 203194145, 215762855, 271805155, 380527217, 597971341, 1902636085, 2989856705, 4185799387, 20928996935]

約数ペア:

[(1, 20928996935), (5, 4185799387), (7, 2989856705), (11, 1902636085), (35, 597971341), (55, 380527217), (77, 271805155), (97, 215762855), (103, 203194145), (385, 54361031), (485, 43152571), (515, 40638829), (679, 30823265), (721, 29027735), (1067, 19614805), (1133, 18472195), (3395, 6164653), (3605, 5805547), (5335, 3922961), (5441, 3846535), (5665, 3694439), (7469, 2802115), (7931, 2638885), (9991, 2094785), (27205, 769307), (37345, 560423), (38087, 549505), (39655, 527777), (49955, 418957), (59851, 349685), (69937, 299255), (109901, 190435)]