20969328

素因数分解:

$2^4\times 3^1\times {\mathrm{307}}^1\times {\mathrm{1423}}^1$

素因数の和:1741

約数の個数: 40

約数和(自身を含む): 54385408

約数和(自身を除く): 33416080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 307, 614, 921, 1228, 1423, 1842, 2456, 2846, 3684, 4269, 4912, 5692, 7368, 8538, 11384, 14736, 17076, 22768, 34152, 68304, 436861, 873722, 1310583, 1747444, 2621166, 3494888, 5242332, 6989776, 10484664, 20969328]

約数ペア:

[(1, 20969328), (2, 10484664), (3, 6989776), (4, 5242332), (6, 3494888), (8, 2621166), (12, 1747444), (16, 1310583), (24, 873722), (48, 436861), (307, 68304), (614, 34152), (921, 22768), (1228, 17076), (1423, 14736), (1842, 11384), (2456, 8538), (2846, 7368), (3684, 5692), (4269, 4912)]