20201076

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{2969}}^1$

素因数の和:2995

約数の個数: 72

約数和(自身を含む): 60540480

約数和(自身を除く): 40339404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 2969, 3402, 5938, 6804, 8907, 11876, 17814, 20783, 26721, 35628, 41566, 53442, 62349, 80163, 83132, 106884, 124698, 160326, 187047, 240489, 249396, 320652, 374094, 480978, 561141, 721467, 748188, 961956, 1122282, 1442934, 1683423, 2244564, 2885868, 3366846, 5050269, 6733692, 10100538, 20201076]

約数ペア:

[(1, 20201076), (2, 10100538), (3, 6733692), (4, 5050269), (6, 3366846), (7, 2885868), (9, 2244564), (12, 1683423), (14, 1442934), (18, 1122282), (21, 961956), (27, 748188), (28, 721467), (36, 561141), (42, 480978), (54, 374094), (63, 320652), (81, 249396), (84, 240489), (108, 187047), (126, 160326), (162, 124698), (189, 106884), (243, 83132), (252, 80163), (324, 62349), (378, 53442), (486, 41566), (567, 35628), (756, 26721), (972, 20783), (1134, 17814), (1701, 11876), (2268, 8907), (2969, 6804), (3402, 5938)]