20635260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1439}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 58060800

約数和(自身を除く): 37425540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1434, 1439, 2390, 2868, 2878, 3585, 4317, 4780, 5756, 7170, 7195, 8634, 14340, 14390, 17268, 21585, 28780, 43170, 86340, 343921, 687842, 1031763, 1375684, 1719605, 2063526, 3439210, 4127052, 5158815, 6878420, 10317630, 20635260]

約数ペア:

[(1, 20635260), (2, 10317630), (3, 6878420), (4, 5158815), (5, 4127052), (6, 3439210), (10, 2063526), (12, 1719605), (15, 1375684), (20, 1031763), (30, 687842), (60, 343921), (239, 86340), (478, 43170), (717, 28780), (956, 21585), (1195, 17268), (1434, 14390), (1439, 14340), (2390, 8634), (2868, 7195), (2878, 7170), (3585, 5756), (4317, 4780)]