20170640457

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1789}}^1\times {\mathrm{1867}}^1$

素因数の和:3734

約数の個数: 48

約数和(自身を含む): 32340459840

約数和(自身を除く): 12169819383

約数列:

[1, 3, 9, 11, 33, 61, 99, 183, 549, 671, 1789, 1867, 2013, 5367, 5601, 6039, 16101, 16803, 19679, 20537, 59037, 61611, 109129, 113887, 177111, 184833, 327387, 341661, 982161, 1024983, 1200419, 1252757, 3340063, 3601257, 3758271, 10020189, 10803771, 11274813, 30060567, 36740693, 110222079, 203743843, 330666237, 611231529, 1833694587, 2241182273, 6723546819, 20170640457]

約数ペア:

[(1, 20170640457), (3, 6723546819), (9, 2241182273), (11, 1833694587), (33, 611231529), (61, 330666237), (99, 203743843), (183, 110222079), (549, 36740693), (671, 30060567), (1789, 11274813), (1867, 10803771), (2013, 10020189), (5367, 3758271), (5601, 3601257), (6039, 3340063), (16101, 1252757), (16803, 1200419), (19679, 1024983), (20537, 982161), (59037, 341661), (61611, 327387), (109129, 184833), (113887, 177111)]