20294898

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260191}}^1$

素因数の和:260209

約数の個数: 16

約数和(自身を含む): 43712256

約数和(自身を除く): 23417358

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 260191, 520382, 780573, 1561146, 3382483, 6764966, 10147449, 20294898]

約数ペア:

[(1, 20294898), (2, 10147449), (3, 6764966), (6, 3382483), (13, 1561146), (26, 780573), (39, 520382), (78, 260191)]