20239380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{16063}}^1$

素因数の和:16085

約数の個数: 72

約数和(自身を含む): 70167552

約数和(自身を除く): 49928172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 16063, 32126, 48189, 64252, 80315, 96378, 112441, 144567, 160630, 192756, 224882, 240945, 289134, 321260, 337323, 449764, 481890, 562205, 578268, 674646, 722835, 963780, 1011969, 1124410, 1349292, 1445670, 1686615, 2023938, 2248820, 2891340, 3373230, 4047876, 5059845, 6746460, 10119690, 20239380]

約数ペア:

[(1, 20239380), (2, 10119690), (3, 6746460), (4, 5059845), (5, 4047876), (6, 3373230), (7, 2891340), (9, 2248820), (10, 2023938), (12, 1686615), (14, 1445670), (15, 1349292), (18, 1124410), (20, 1011969), (21, 963780), (28, 722835), (30, 674646), (35, 578268), (36, 562205), (42, 481890), (45, 449764), (60, 337323), (63, 321260), (70, 289134), (84, 240945), (90, 224882), (105, 192756), (126, 160630), (140, 144567), (180, 112441), (210, 96378), (252, 80315), (315, 64252), (420, 48189), (630, 32126), (1260, 16063)]