20473518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1319}}^1$

素因数の和:1536

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 23878482

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 199, 398, 597, 1194, 1319, 2587, 2638, 3957, 5174, 7761, 7914, 15522, 17147, 34294, 51441, 102882, 262481, 524962, 787443, 1574886, 3412253, 6824506, 10236759, 20473518]

約数ペア:

[(1, 20473518), (2, 10236759), (3, 6824506), (6, 3412253), (13, 1574886), (26, 787443), (39, 524962), (78, 262481), (199, 102882), (398, 51441), (597, 34294), (1194, 17147), (1319, 15522), (2587, 7914), (2638, 7761), (3957, 5174)]