20870096

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{373}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 43825320

約数和(自身を除く): 22955224

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 269, 373, 538, 746, 1076, 1492, 2152, 2984, 3497, 4304, 4849, 5968, 6994, 9698, 13988, 19396, 27976, 38792, 55952, 77584, 100337, 200674, 401348, 802696, 1304381, 1605392, 2608762, 5217524, 10435048, 20870096]

約数ペア:

[(1, 20870096), (2, 10435048), (4, 5217524), (8, 2608762), (13, 1605392), (16, 1304381), (26, 802696), (52, 401348), (104, 200674), (208, 100337), (269, 77584), (373, 55952), (538, 38792), (746, 27976), (1076, 19396), (1492, 13988), (2152, 9698), (2984, 6994), (3497, 5968), (4304, 4849)]