20643532

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56713}}^1$

素因数の和:56737

約数の個数: 24

約数和(自身を含む): 44463776

約数和(自身を除く): 23820244

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56713, 113426, 226852, 396991, 737269, 793982, 1474538, 1587964, 2949076, 5160883, 10321766, 20643532]

約数ペア:

[(1, 20643532), (2, 10321766), (4, 5160883), (7, 2949076), (13, 1587964), (14, 1474538), (26, 793982), (28, 737269), (52, 396991), (91, 226852), (182, 113426), (364, 56713)]