20920158

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23719}}^1$

素因数の和:23741

約数の個数: 36

約数和(自身を含む): 52729560

約数和(自身を除く): 31809402

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 23719, 47438, 71157, 142314, 166033, 213471, 332066, 426942, 498099, 996198, 1162231, 1494297, 2324462, 2988594, 3486693, 6973386, 10460079, 20920158]

約数ペア:

[(1, 20920158), (2, 10460079), (3, 6973386), (6, 3486693), (7, 2988594), (9, 2324462), (14, 1494297), (18, 1162231), (21, 996198), (42, 498099), (49, 426942), (63, 332066), (98, 213471), (126, 166033), (147, 142314), (294, 71157), (441, 47438), (882, 23719)]