20408076

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43607}}^1$

素因数の和:43630

約数の個数: 36

約数和(自身を含む): 55556592

約数和(自身を除く): 35148516

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43607, 87214, 130821, 174428, 261642, 392463, 523284, 566891, 784926, 1133782, 1569852, 1700673, 2267564, 3401346, 5102019, 6802692, 10204038, 20408076]

約数ペア:

[(1, 20408076), (2, 10204038), (3, 6802692), (4, 5102019), (6, 3401346), (9, 2267564), (12, 1700673), (13, 1569852), (18, 1133782), (26, 784926), (36, 566891), (39, 523284), (52, 392463), (78, 261642), (117, 174428), (156, 130821), (234, 87214), (468, 43607)]