20306578

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{607}}^1$

素因数の和:1041

約数の個数: 16

約数和(自身を含む): 31299840

約数和(自身を除く): 10993262

約数列:

[1, 2, 43, 86, 389, 607, 778, 1214, 16727, 26101, 33454, 52202, 236123, 472246, 10153289, 20306578]

約数ペア:

[(1, 20306578), (2, 10153289), (43, 472246), (86, 236123), (389, 52202), (607, 33454), (778, 26101), (1214, 16727)]