20407728081

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1907}}^1\times {\mathrm{16141}}^1$

素因数の和:18081

約数の個数: 32

約数和(自身を含む): 31045327488

約数和(自身を除く): 10637599407

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 1907, 5721, 16141, 24791, 32419, 48423, 74373, 97257, 209833, 274397, 421447, 629499, 823191, 1264341, 3567161, 10701483, 30780887, 92342661, 400151531, 523275079, 1200454593, 1569825237, 6802576027, 20407728081]

約数ペア:

[(1, 20407728081), (3, 6802576027), (13, 1569825237), (17, 1200454593), (39, 523275079), (51, 400151531), (221, 92342661), (663, 30780887), (1907, 10701483), (5721, 3567161), (16141, 1264341), (24791, 823191), (32419, 629499), (48423, 421447), (74373, 274397), (97257, 209833)]