20313518

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{991}}^1$

素因数の和:1307

約数の個数: 16

約数和(自身を含む): 31438464

約数和(自身を除く): 11124946

約数列:

[1, 2, 37, 74, 277, 554, 991, 1982, 10249, 20498, 36667, 73334, 274507, 549014, 10156759, 20313518]

約数ペア:

[(1, 20313518), (2, 10156759), (37, 549014), (74, 274507), (277, 73334), (554, 36667), (991, 20498), (1982, 10249)]