20739942

素因数分解:

$2^1\times 3^3\times {\mathrm{239}}^1\times {\mathrm{1607}}^1$

素因数の和:1857

約数の個数: 32

約数和(自身を含む): 46310400

約数和(自身を除く): 25570458

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 239, 478, 717, 1434, 1607, 2151, 3214, 4302, 4821, 6453, 9642, 12906, 14463, 28926, 43389, 86778, 384073, 768146, 1152219, 2304438, 3456657, 6913314, 10369971, 20739942]

約数ペア:

[(1, 20739942), (2, 10369971), (3, 6913314), (6, 3456657), (9, 2304438), (18, 1152219), (27, 768146), (54, 384073), (239, 86778), (478, 43389), (717, 28926), (1434, 14463), (1607, 12906), (2151, 9642), (3214, 6453), (4302, 4821)]