20165365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 8865035

約数列:

[1, 5, 11, 19, 23, 55, 95, 115, 209, 253, 437, 839, 1045, 1265, 2185, 4195, 4807, 9229, 15941, 19297, 24035, 46145, 79705, 96485, 175351, 212267, 366643, 876755, 1061335, 1833215, 4033073, 20165365]

約数ペア:

[(1, 20165365), (5, 4033073), (11, 1833215), (19, 1061335), (23, 876755), (55, 366643), (95, 212267), (115, 175351), (209, 96485), (253, 79705), (437, 46145), (839, 24035), (1045, 19297), (1265, 15941), (2185, 9229), (4195, 4807)]