20123343207

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{18089}}^1$

素因数の和:18784

約数の個数: 48

約数和(自身を含む): 33627428640

約数和(自身を除く): 13504085433

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 661, 1683, 1983, 5949, 7271, 11237, 18089, 21813, 33711, 54267, 65439, 101133, 123607, 162801, 198979, 307513, 370821, 596937, 922539, 1112463, 1790811, 2767617, 3382643, 10147929, 11956829, 30443787, 35870487, 107611461, 131525119, 203266093, 394575357, 609798279, 1183726071, 1829394837, 2235927023, 6707781069, 20123343207]

約数ペア:

[(1, 20123343207), (3, 6707781069), (9, 2235927023), (11, 1829394837), (17, 1183726071), (33, 609798279), (51, 394575357), (99, 203266093), (153, 131525119), (187, 107611461), (561, 35870487), (661, 30443787), (1683, 11956829), (1983, 10147929), (5949, 3382643), (7271, 2767617), (11237, 1790811), (18089, 1112463), (21813, 922539), (33711, 596937), (54267, 370821), (65439, 307513), (101133, 198979), (123607, 162801)]