20165007772

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2777}}^1\times {\mathrm{19949}}^1$

素因数の和:22750

約数の個数: 48

約数和(自身を含む): 43450142400

約数和(自身を除く): 23285134628

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 2777, 5554, 11108, 19439, 19949, 36101, 38878, 39898, 72202, 77756, 79796, 139643, 144404, 252707, 259337, 279286, 505414, 518674, 558572, 1010828, 1037348, 1815359, 3630718, 7261436, 55398373, 110796746, 221593492, 387788611, 720178849, 775577222, 1440357698, 1551154444, 2880715396, 5041251943, 10082503886, 20165007772]

約数ペア:

[(1, 20165007772), (2, 10082503886), (4, 5041251943), (7, 2880715396), (13, 1551154444), (14, 1440357698), (26, 775577222), (28, 720178849), (52, 387788611), (91, 221593492), (182, 110796746), (364, 55398373), (2777, 7261436), (5554, 3630718), (11108, 1815359), (19439, 1037348), (19949, 1010828), (36101, 558572), (38878, 518674), (39898, 505414), (72202, 279286), (77756, 259337), (79796, 252707), (139643, 144404)]