20406307825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{865591}}^1$

素因数の和:865665

約数の個数: 24

約数和(自身を含む): 27048018816

約数和(自身を除く): 6641710991

約数列:

[1, 5, 23, 25, 41, 115, 205, 575, 943, 1025, 4715, 23575, 865591, 4327955, 19908593, 21639775, 35489231, 99542965, 177446155, 497714825, 816252313, 887230775, 4081261565, 20406307825]

約数ペア:

[(1, 20406307825), (5, 4081261565), (23, 887230775), (25, 816252313), (41, 497714825), (115, 177446155), (205, 99542965), (575, 35489231), (943, 21639775), (1025, 19908593), (4715, 4327955), (23575, 865591)]