20135164

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 42194880

約数和(自身を除く): 22059716

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 137, 181, 203, 274, 362, 406, 548, 724, 812, 959, 1267, 1918, 2534, 3836, 3973, 5068, 5249, 7946, 10498, 15892, 20996, 24797, 27811, 36743, 49594, 55622, 73486, 99188, 111244, 146972, 173579, 347158, 694316, 719113, 1438226, 2876452, 5033791, 10067582, 20135164]

約数ペア:

[(1, 20135164), (2, 10067582), (4, 5033791), (7, 2876452), (14, 1438226), (28, 719113), (29, 694316), (58, 347158), (116, 173579), (137, 146972), (181, 111244), (203, 99188), (274, 73486), (362, 55622), (406, 49594), (548, 36743), (724, 27811), (812, 24797), (959, 20996), (1267, 15892), (1918, 10498), (2534, 7946), (3836, 5249), (3973, 5068)]