20735792

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16831}}^1$

素因数の和:16857

約数の個数: 40

約数和(自身を含む): 50092032

約数和(自身を除く): 29356240

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16831, 33662, 67324, 117817, 134648, 185141, 235634, 269296, 370282, 471268, 740564, 942536, 1295987, 1481128, 1885072, 2591974, 2962256, 5183948, 10367896, 20735792]

約数ペア:

[(1, 20735792), (2, 10367896), (4, 5183948), (7, 2962256), (8, 2591974), (11, 1885072), (14, 1481128), (16, 1295987), (22, 942536), (28, 740564), (44, 471268), (56, 370282), (77, 269296), (88, 235634), (112, 185141), (154, 134648), (176, 117817), (308, 67324), (616, 33662), (1232, 16831)]