20217223871

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{6131}}^1$

素因数の和:6551

約数の個数: 32

約数和(自身を含む): 23661082368

約数和(自身を除く): 3443858497

約数列:

[1, 13, 17, 43, 221, 347, 559, 731, 4511, 5899, 6131, 9503, 14921, 76687, 79703, 104227, 193973, 253657, 263633, 1354951, 2127457, 3297541, 3427229, 4481761, 27656941, 36166769, 58262893, 91480651, 470167997, 1189248463, 1555171067, 20217223871]

約数ペア:

[(1, 20217223871), (13, 1555171067), (17, 1189248463), (43, 470167997), (221, 91480651), (347, 58262893), (559, 36166769), (731, 27656941), (4511, 4481761), (5899, 3427229), (6131, 3297541), (9503, 2127457), (14921, 1354951), (76687, 263633), (79703, 253657), (104227, 193973)]