20571352

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{761}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 40233600

約数和(自身を除く): 19662248

約数列:

[1, 2, 4, 8, 31, 62, 109, 124, 218, 248, 436, 761, 872, 1522, 3044, 3379, 6088, 6758, 13516, 23591, 27032, 47182, 82949, 94364, 165898, 188728, 331796, 663592, 2571419, 5142838, 10285676, 20571352]

約数ペア:

[(1, 20571352), (2, 10285676), (4, 5142838), (8, 2571419), (31, 663592), (62, 331796), (109, 188728), (124, 165898), (218, 94364), (248, 82949), (436, 47182), (761, 27032), (872, 23591), (1522, 13516), (3044, 6758), (3379, 6088)]