20201235894

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{659783}}^1$

素因数の和:659813

約数の個数: 64

約数和(自身を含む): 51938196480

約数和(自身を除く): 31736960586

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 729, 1134, 1458, 1701, 2187, 3402, 4374, 5103, 10206, 15309, 30618, 659783, 1319566, 1979349, 3958698, 4618481, 5938047, 9236962, 11876094, 13855443, 17814141, 27710886, 35628282, 41566329, 53442423, 83132658, 106884846, 124698987, 160327269, 249397974, 320654538, 374096961, 480981807, 748193922, 961963614, 1122290883, 1442945421, 2244581766, 2885890842, 3366872649, 6733745298, 10100617947, 20201235894]

約数ペア:

[(1, 20201235894), (2, 10100617947), (3, 6733745298), (6, 3366872649), (7, 2885890842), (9, 2244581766), (14, 1442945421), (18, 1122290883), (21, 961963614), (27, 748193922), (42, 480981807), (54, 374096961), (63, 320654538), (81, 249397974), (126, 160327269), (162, 124698987), (189, 106884846), (243, 83132658), (378, 53442423), (486, 41566329), (567, 35628282), (729, 27710886), (1134, 17814141), (1458, 13855443), (1701, 11876094), (2187, 9236962), (3402, 5938047), (4374, 4618481), (5103, 3958698), (10206, 1979349), (15309, 1319566), (30618, 659783)]