20566216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2269}}^1$

素因数の和:2389

約数の個数: 32

約数和(自身を含む): 42494400

約数和(自身を除く): 21928184

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 206, 412, 824, 1133, 2266, 2269, 4532, 4538, 9064, 9076, 18152, 24959, 49918, 99836, 199672, 233707, 467414, 934828, 1869656, 2570777, 5141554, 10283108, 20566216]

約数ペア:

[(1, 20566216), (2, 10283108), (4, 5141554), (8, 2570777), (11, 1869656), (22, 934828), (44, 467414), (88, 233707), (103, 199672), (206, 99836), (412, 49918), (824, 24959), (1133, 18152), (2266, 9076), (2269, 9064), (4532, 4538)]