20197306

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1637}}^1$

素因数の和:1869

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 11252294

約数列:

[1, 2, 31, 62, 199, 398, 1637, 3274, 6169, 12338, 50747, 101494, 325763, 651526, 10098653, 20197306]

約数ペア:

[(1, 20197306), (2, 10098653), (31, 651526), (62, 325763), (199, 101494), (398, 50747), (1637, 12338), (3274, 6169)]