2020996818

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1301}}^1$

素因数の和:1581

約数の個数: 80

約数和(自身を含む): 4658201856

約数和(自身を除く): 2637205038

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 223, 258, 387, 446, 669, 774, 1161, 1301, 1338, 2007, 2322, 2602, 3483, 3903, 4014, 6021, 6966, 7806, 9589, 11709, 12042, 18063, 19178, 23418, 28767, 35127, 36126, 55943, 57534, 70254, 86301, 105381, 111886, 167829, 172602, 210762, 258903, 290123, 335658, 503487, 517806, 580246, 776709, 870369, 1006974, 1510461, 1553418, 1740738, 2611107, 3020922, 4531383, 5222214, 7833321, 9062766, 12475289, 15666642, 23499963, 24950578, 37425867, 46999926, 74851734, 112277601, 224555202, 336832803, 673665606, 1010498409, 2020996818]

約数ペア:

[(1, 2020996818), (2, 1010498409), (3, 673665606), (6, 336832803), (9, 224555202), (18, 112277601), (27, 74851734), (43, 46999926), (54, 37425867), (81, 24950578), (86, 23499963), (129, 15666642), (162, 12475289), (223, 9062766), (258, 7833321), (387, 5222214), (446, 4531383), (669, 3020922), (774, 2611107), (1161, 1740738), (1301, 1553418), (1338, 1510461), (2007, 1006974), (2322, 870369), (2602, 776709), (3483, 580246), (3903, 517806), (4014, 503487), (6021, 335658), (6966, 290123), (7806, 258903), (9589, 210762), (11709, 172602), (12042, 167829), (18063, 111886), (19178, 105381), (23418, 86301), (28767, 70254), (35127, 57534), (36126, 55943)]