20789980010

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16370063}}^1$

素因数の和:16370197

約数の個数: 16

約数和(自身を含む): 37716627456

約数和(自身を除く): 16926647446

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 16370063, 32740126, 81850315, 163700630, 2078998001, 4157996002, 10394990005, 20789980010]

約数ペア:

[(1, 20789980010), (2, 10394990005), (5, 4157996002), (10, 2078998001), (127, 163700630), (254, 81850315), (635, 32740126), (1270, 16370063)]