20121206456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{23201}}^1$

素因数の和:23520

約数の個数: 64

約数和(自身を含む): 42097708800

約数和(自身を除く): 21976502344

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 269, 403, 538, 806, 1076, 1612, 2152, 3224, 3497, 6994, 8339, 13988, 16678, 23201, 27976, 33356, 46402, 66712, 92804, 108407, 185608, 216814, 301613, 433628, 603226, 719231, 867256, 1206452, 1438462, 2412904, 2876924, 5753848, 6241069, 9350003, 12482138, 18700006, 24964276, 37400012, 49928552, 74800024, 81133897, 162267794, 193473139, 324535588, 386946278, 649071176, 773892556, 1547785112, 2515150807, 5030301614, 10060603228, 20121206456]

約数ペア:

[(1, 20121206456), (2, 10060603228), (4, 5030301614), (8, 2515150807), (13, 1547785112), (26, 773892556), (31, 649071176), (52, 386946278), (62, 324535588), (104, 193473139), (124, 162267794), (248, 81133897), (269, 74800024), (403, 49928552), (538, 37400012), (806, 24964276), (1076, 18700006), (1612, 12482138), (2152, 9350003), (3224, 6241069), (3497, 5753848), (6994, 2876924), (8339, 2412904), (13988, 1438462), (16678, 1206452), (23201, 867256), (27976, 719231), (33356, 603226), (46402, 433628), (66712, 301613), (92804, 216814), (108407, 185608)]