20358956

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:678

約数の個数: 36

約数和(自身を含む): 39300912

約数和(自身を除く): 18941956

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 361, 437, 613, 722, 874, 1226, 1444, 1748, 2452, 8303, 11647, 14099, 16606, 23294, 28198, 33212, 46588, 56396, 221293, 267881, 442586, 535762, 885172, 1071524, 5089739, 10179478, 20358956]

約数ペア:

[(1, 20358956), (2, 10179478), (4, 5089739), (19, 1071524), (23, 885172), (38, 535762), (46, 442586), (76, 267881), (92, 221293), (361, 56396), (437, 46588), (613, 33212), (722, 28198), (874, 23294), (1226, 16606), (1444, 14099), (1748, 11647), (2452, 8303)]