20393744

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10711}}^1$

素因数の和:10743

約数の個数: 40

約数和(自身を含む): 47818368

約数和(自身を除く): 27424624

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 10711, 21422, 42844, 74977, 85688, 149954, 171376, 182087, 299908, 364174, 599816, 728348, 1199632, 1274609, 1456696, 2549218, 2913392, 5098436, 10196872, 20393744]

約数ペア:

[(1, 20393744), (2, 10196872), (4, 5098436), (7, 2913392), (8, 2549218), (14, 1456696), (16, 1274609), (17, 1199632), (28, 728348), (34, 599816), (56, 364174), (68, 299908), (112, 182087), (119, 171376), (136, 149954), (238, 85688), (272, 74977), (476, 42844), (952, 21422), (1904, 10711)]