16605820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 44706816

約数和(自身を除く): 28100996

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 44, 55, 70, 77, 82, 110, 140, 154, 164, 205, 220, 263, 287, 308, 385, 410, 451, 526, 574, 770, 820, 902, 1052, 1148, 1315, 1435, 1540, 1804, 1841, 2255, 2630, 2870, 2893, 3157, 3682, 4510, 5260, 5740, 5786, 6314, 7364, 9020, 9205, 10783, 11572, 12628, 14465, 15785, 18410, 20251, 21566, 28930, 31570, 36820, 40502, 43132, 53915, 57860, 63140, 75481, 81004, 101255, 107830, 118613, 150962, 202510, 215660, 237226, 301924, 377405, 405020, 474452, 593065, 754810, 830291, 1186130, 1509620, 1660582, 2372260, 3321164, 4151455, 8302910, 16605820]

約数ペア:

[(1, 16605820), (2, 8302910), (4, 4151455), (5, 3321164), (7, 2372260), (10, 1660582), (11, 1509620), (14, 1186130), (20, 830291), (22, 754810), (28, 593065), (35, 474452), (41, 405020), (44, 377405), (55, 301924), (70, 237226), (77, 215660), (82, 202510), (110, 150962), (140, 118613), (154, 107830), (164, 101255), (205, 81004), (220, 75481), (263, 63140), (287, 57860), (308, 53915), (385, 43132), (410, 40502), (451, 36820), (526, 31570), (574, 28930), (770, 21566), (820, 20251), (902, 18410), (1052, 15785), (1148, 14465), (1315, 12628), (1435, 11572), (1540, 10783), (1804, 9205), (1841, 9020), (2255, 7364), (2630, 6314), (2870, 5786), (2893, 5740), (3157, 5260), (3682, 4510)]