20729296

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3137}}^1$

素因数の和:3211

約数の個数: 40

約数和(自身を含む): 46693440

約数和(自身を除く): 25964144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 112, 118, 236, 413, 472, 826, 944, 1652, 3137, 3304, 6274, 6608, 12548, 21959, 25096, 43918, 50192, 87836, 175672, 185083, 351344, 370166, 740332, 1295581, 1480664, 2591162, 2961328, 5182324, 10364648, 20729296]

約数ペア:

[(1, 20729296), (2, 10364648), (4, 5182324), (7, 2961328), (8, 2591162), (14, 1480664), (16, 1295581), (28, 740332), (56, 370166), (59, 351344), (112, 185083), (118, 175672), (236, 87836), (413, 50192), (472, 43918), (826, 25096), (944, 21959), (1652, 12548), (3137, 6608), (3304, 6274)]