20239020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{491}}^1$

素因数の和:735

約数の個数: 72

約数和(自身を含む): 61785360

約数和(自身を除く): 41546340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 491, 687, 916, 982, 1145, 1374, 1473, 1964, 2061, 2290, 2455, 2748, 2946, 3435, 4122, 4419, 4580, 4910, 5892, 6870, 7365, 8244, 8838, 9820, 10305, 13740, 14730, 17676, 20610, 22095, 29460, 41220, 44190, 88380, 112439, 224878, 337317, 449756, 562195, 674634, 1011951, 1124390, 1349268, 1686585, 2023902, 2248780, 3373170, 4047804, 5059755, 6746340, 10119510, 20239020]

約数ペア:

[(1, 20239020), (2, 10119510), (3, 6746340), (4, 5059755), (5, 4047804), (6, 3373170), (9, 2248780), (10, 2023902), (12, 1686585), (15, 1349268), (18, 1124390), (20, 1011951), (30, 674634), (36, 562195), (45, 449756), (60, 337317), (90, 224878), (180, 112439), (229, 88380), (458, 44190), (491, 41220), (687, 29460), (916, 22095), (982, 20610), (1145, 17676), (1374, 14730), (1473, 13740), (1964, 10305), (2061, 9820), (2290, 8838), (2455, 8244), (2748, 7365), (2946, 6870), (3435, 5892), (4122, 4910), (4419, 4580)]