20387452010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{381859}}^1$

素因数の和:382166

約数の個数: 32

約数和(自身を含む): 38766427200

約数和(自身を除く): 18378975190

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 281, 562, 1405, 2810, 5339, 10678, 26695, 53390, 381859, 763718, 1909295, 3818590, 7255321, 14510642, 36276605, 72553210, 107302379, 214604758, 536511895, 1073023790, 2038745201, 4077490402, 10193726005, 20387452010]

約数ペア:

[(1, 20387452010), (2, 10193726005), (5, 4077490402), (10, 2038745201), (19, 1073023790), (38, 536511895), (95, 214604758), (190, 107302379), (281, 72553210), (562, 36276605), (1405, 14510642), (2810, 7255321), (5339, 3818590), (10678, 1909295), (26695, 763718), (53390, 381859)]