20005284

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128239}}^1$

素因数の和:128259

約数の個数: 24

約数和(自身を含む): 50270080

約数和(自身を除く): 30264796

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 128239, 256478, 384717, 512956, 769434, 1538868, 1667107, 3334214, 5001321, 6668428, 10002642, 20005284]

約数ペア:

[(1, 20005284), (2, 10002642), (3, 6668428), (4, 5001321), (6, 3334214), (12, 1667107), (13, 1538868), (26, 769434), (39, 512956), (52, 384717), (78, 256478), (156, 128239)]