20856880010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1777}}^1\times {\mathrm{51031}}^1$

素因数の和:52838

約数の個数: 32

約数和(自身を含む): 39197475072

約数和(自身を除く): 18340595062

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1777, 3554, 8885, 17770, 40871, 51031, 81742, 102062, 204355, 255155, 408710, 510310, 1173713, 2347426, 5868565, 11737130, 90682087, 181364174, 453410435, 906820870, 2085688001, 4171376002, 10428440005, 20856880010]

約数ペア:

[(1, 20856880010), (2, 10428440005), (5, 4171376002), (10, 2085688001), (23, 906820870), (46, 453410435), (115, 181364174), (230, 90682087), (1777, 11737130), (3554, 5868565), (8885, 2347426), (17770, 1173713), (40871, 510310), (51031, 408710), (81742, 255155), (102062, 204355)]