16893920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6211}}^1$

素因数の和:6243

約数の個数: 48

約数和(自身を含む): 42266448

約数和(自身を除く): 25372528

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 6211, 12422, 24844, 31055, 49688, 62110, 99376, 105587, 124220, 198752, 211174, 248440, 422348, 496880, 527935, 844696, 993760, 1055870, 1689392, 2111740, 3378784, 4223480, 8446960, 16893920]

約数ペア:

[(1, 16893920), (2, 8446960), (4, 4223480), (5, 3378784), (8, 2111740), (10, 1689392), (16, 1055870), (17, 993760), (20, 844696), (32, 527935), (34, 496880), (40, 422348), (68, 248440), (80, 211174), (85, 198752), (136, 124220), (160, 105587), (170, 99376), (272, 62110), (340, 49688), (544, 31055), (680, 24844), (1360, 12422), (2720, 6211)]