20441648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41213}}^1$

素因数の和:41252

約数の個数: 20

約数和(自身を含む): 40884288

約数和(自身を除く): 20442640

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41213, 82426, 164852, 329704, 659408, 1277603, 2555206, 5110412, 10220824, 20441648]

約数ペア:

[(1, 20441648), (2, 10220824), (4, 5110412), (8, 2555206), (16, 1277603), (31, 659408), (62, 329704), (124, 164852), (248, 82426), (496, 41213)]