20160028

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1033}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 43775424

約数和(自身を除く): 23615396

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 41, 68, 82, 119, 164, 238, 287, 476, 574, 697, 1033, 1148, 1394, 2066, 2788, 4132, 4879, 7231, 9758, 14462, 17561, 19516, 28924, 35122, 42353, 70244, 84706, 122927, 169412, 245854, 296471, 491708, 592942, 720001, 1185884, 1440002, 2880004, 5040007, 10080014, 20160028]

約数ペア:

[(1, 20160028), (2, 10080014), (4, 5040007), (7, 2880004), (14, 1440002), (17, 1185884), (28, 720001), (34, 592942), (41, 491708), (68, 296471), (82, 245854), (119, 169412), (164, 122927), (238, 84706), (287, 70244), (476, 42353), (574, 35122), (697, 28924), (1033, 19516), (1148, 17561), (1394, 14462), (2066, 9758), (2788, 7231), (4132, 4879)]