20441902

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:532

約数の個数: 24

約数和(自身を含む): 33480216

約数和(自身を除く): 13038314

約数列:

[1, 2, 13, 26, 169, 197, 307, 338, 394, 614, 2561, 3991, 5122, 7982, 33293, 51883, 60479, 66586, 103766, 120958, 786227, 1572454, 10220951, 20441902]

約数ペア:

[(1, 20441902), (2, 10220951), (13, 1572454), (26, 786227), (169, 120958), (197, 103766), (307, 66586), (338, 60479), (394, 51883), (614, 33293), (2561, 7982), (3991, 5122)]