20995194

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^4\times {\mathrm{239}}^1$

素因数の和:288

約数の個数: 40

約数和(自身を含む): 46382400

約数和(自身を除く): 25387206

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 239, 242, 363, 478, 717, 726, 1331, 1434, 2629, 2662, 3993, 5258, 7887, 7986, 14641, 15774, 28919, 29282, 43923, 57838, 86757, 87846, 173514, 318109, 636218, 954327, 1908654, 3499199, 6998398, 10497597, 20995194]

約数ペア:

[(1, 20995194), (2, 10497597), (3, 6998398), (6, 3499199), (11, 1908654), (22, 954327), (33, 636218), (66, 318109), (121, 173514), (239, 87846), (242, 86757), (363, 57838), (478, 43923), (717, 29282), (726, 28919), (1331, 15774), (1434, 14641), (2629, 7986), (2662, 7887), (3993, 5258)]