20131430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{929}}^1$

素因数の和:1144

約数の個数: 32

約数和(自身を含む): 39774240

約数和(自身を除く): 19642810

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 197, 394, 929, 985, 1858, 1970, 2167, 4334, 4645, 9290, 10219, 10835, 20438, 21670, 51095, 102190, 183013, 366026, 915065, 1830130, 2013143, 4026286, 10065715, 20131430]

約数ペア:

[(1, 20131430), (2, 10065715), (5, 4026286), (10, 2013143), (11, 1830130), (22, 915065), (55, 366026), (110, 183013), (197, 102190), (394, 51095), (929, 21670), (985, 20438), (1858, 10835), (1970, 10219), (2167, 9290), (4334, 4645)]