2020117715

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12007}}^1$

素因数の和:12072

約数の個数: 64

約数和(自身を含む): 3319971840

約数和(自身を除く): 1299854125

約数列:

[1, 5, 7, 11, 19, 23, 35, 55, 77, 95, 115, 133, 161, 209, 253, 385, 437, 665, 805, 1045, 1265, 1463, 1771, 2185, 3059, 4807, 7315, 8855, 12007, 15295, 24035, 33649, 60035, 84049, 132077, 168245, 228133, 276161, 420245, 660385, 924539, 1140665, 1380805, 1596931, 1933127, 2509463, 3037771, 4622695, 5247059, 7984655, 9665635, 12547315, 15188855, 17566241, 21264397, 26235295, 36729413, 57717649, 87831205, 106321985, 183647065, 288588245, 404023543, 2020117715]

約数ペア:

[(1, 2020117715), (5, 404023543), (7, 288588245), (11, 183647065), (19, 106321985), (23, 87831205), (35, 57717649), (55, 36729413), (77, 26235295), (95, 21264397), (115, 17566241), (133, 15188855), (161, 12547315), (209, 9665635), (253, 7984655), (385, 5247059), (437, 4622695), (665, 3037771), (805, 2509463), (1045, 1933127), (1265, 1596931), (1463, 1380805), (1771, 1140665), (2185, 924539), (3059, 660385), (4807, 420245), (7315, 276161), (8855, 228133), (12007, 168245), (15295, 132077), (24035, 84049), (33649, 60035)]