20199208705

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{281}}^1\times {\mathrm{877}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 26642319984

約数和(自身を除く): 6443111279

約数列:

[1, 5, 13, 65, 97, 169, 281, 485, 845, 877, 1261, 1405, 3653, 4385, 6305, 11401, 16393, 18265, 27257, 47489, 57005, 81965, 85069, 136285, 148213, 237445, 246437, 354341, 425345, 741065, 1105897, 1232185, 1771705, 3203681, 4606433, 5529485, 14376661, 16018405, 23032165, 23904389, 41647853, 71883305, 119521945, 208239265, 310757057, 1553785285, 4039841741, 20199208705]

約数ペア:

[(1, 20199208705), (5, 4039841741), (13, 1553785285), (65, 310757057), (97, 208239265), (169, 119521945), (281, 71883305), (485, 41647853), (845, 23904389), (877, 23032165), (1261, 16018405), (1405, 14376661), (3653, 5529485), (4385, 4606433), (6305, 3203681), (11401, 1771705), (16393, 1232185), (18265, 1105897), (27257, 741065), (47489, 425345), (57005, 354341), (81965, 246437), (85069, 237445), (136285, 148213)]