20199738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258971}}^1$

素因数の和:258989

約数の個数: 16

約数和(自身を含む): 43507296

約数和(自身を除く): 23307558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258971, 517942, 776913, 1553826, 3366623, 6733246, 10099869, 20199738]

約数ペア:

[(1, 20199738), (2, 10099869), (3, 6733246), (6, 3366623), (13, 1553826), (26, 776913), (39, 517942), (78, 258971)]