20911992

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18539}}^1$

素因数の和:18595

約数の個数: 32

約数和(自身を含む): 53395200

約数和(自身を除く): 32483208

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18539, 37078, 55617, 74156, 111234, 148312, 222468, 444936, 871333, 1742666, 2613999, 3485332, 5227998, 6970664, 10455996, 20911992]

約数ペア:

[(1, 20911992), (2, 10455996), (3, 6970664), (4, 5227998), (6, 3485332), (8, 2613999), (12, 1742666), (24, 871333), (47, 444936), (94, 222468), (141, 148312), (188, 111234), (282, 74156), (376, 55617), (564, 37078), (1128, 18539)]