20430306

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 80

約数和(自身を含む): 50311800

約数和(自身を除く): 29881494

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 89, 109, 117, 162, 178, 218, 234, 267, 327, 351, 534, 654, 702, 801, 981, 1053, 1157, 1417, 1602, 1962, 2106, 2314, 2403, 2834, 2943, 3471, 4251, 4806, 5886, 6942, 7209, 8502, 8829, 9701, 10413, 12753, 14418, 17658, 19402, 20826, 25506, 29103, 31239, 38259, 58206, 62478, 76518, 87309, 93717, 114777, 126113, 174618, 187434, 229554, 252226, 261927, 378339, 523854, 756678, 785781, 1135017, 1571562, 2270034, 3405051, 6810102, 10215153, 20430306]

約数ペア:

[(1, 20430306), (2, 10215153), (3, 6810102), (6, 3405051), (9, 2270034), (13, 1571562), (18, 1135017), (26, 785781), (27, 756678), (39, 523854), (54, 378339), (78, 261927), (81, 252226), (89, 229554), (109, 187434), (117, 174618), (162, 126113), (178, 114777), (218, 93717), (234, 87309), (267, 76518), (327, 62478), (351, 58206), (534, 38259), (654, 31239), (702, 29103), (801, 25506), (981, 20826), (1053, 19402), (1157, 17658), (1417, 14418), (1602, 12753), (1962, 10413), (2106, 9701), (2314, 8829), (2403, 8502), (2834, 7209), (2943, 6942), (3471, 5886), (4251, 4806)]