20156740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1511}}^1$

素因数の和:1572

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 25566140

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 1511, 2668, 3022, 3335, 6044, 6670, 7555, 13340, 15110, 30220, 34753, 43819, 69506, 87638, 139012, 173765, 175276, 219095, 347530, 438190, 695060, 876380, 1007837, 2015674, 4031348, 5039185, 10078370, 20156740]

約数ペア:

[(1, 20156740), (2, 10078370), (4, 5039185), (5, 4031348), (10, 2015674), (20, 1007837), (23, 876380), (29, 695060), (46, 438190), (58, 347530), (92, 219095), (115, 175276), (116, 173765), (145, 139012), (230, 87638), (290, 69506), (460, 43819), (580, 34753), (667, 30220), (1334, 15110), (1511, 13340), (2668, 7555), (3022, 6670), (3335, 6044)]