20123157804

素因数分解:

$2^2\times 3^1\times {\mathrm{179}}^2\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:827

約数の個数: 72

約数和(自身を含む): 47635526400

約数和(自身を除く): 27512368596

約数列:

[1, 2, 3, 4, 6, 12, 179, 199, 263, 358, 398, 526, 537, 597, 716, 789, 796, 1052, 1074, 1194, 1578, 2148, 2388, 3156, 32041, 35621, 47077, 52337, 64082, 71242, 94154, 96123, 104674, 106863, 128164, 141231, 142484, 157011, 188308, 192246, 209348, 213726, 282462, 314022, 384492, 427452, 564924, 628044, 6376159, 8426783, 9368323, 12752318, 16853566, 18736646, 19128477, 25280349, 25504636, 28104969, 33707132, 37473292, 38256954, 50560698, 56209938, 76513908, 101121396, 112419876, 1676929817, 3353859634, 5030789451, 6707719268, 10061578902, 20123157804]

約数ペア:

[(1, 20123157804), (2, 10061578902), (3, 6707719268), (4, 5030789451), (6, 3353859634), (12, 1676929817), (179, 112419876), (199, 101121396), (263, 76513908), (358, 56209938), (398, 50560698), (526, 38256954), (537, 37473292), (597, 33707132), (716, 28104969), (789, 25504636), (796, 25280349), (1052, 19128477), (1074, 18736646), (1194, 16853566), (1578, 12752318), (2148, 9368323), (2388, 8426783), (3156, 6376159), (32041, 628044), (35621, 564924), (47077, 427452), (52337, 384492), (64082, 314022), (71242, 282462), (94154, 213726), (96123, 209348), (104674, 192246), (106863, 188308), (128164, 157011), (141231, 142484)]