20199828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1117}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 51839424

約数和(自身を除く): 31639596

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 137, 274, 411, 548, 822, 1117, 1507, 1644, 2234, 3014, 3351, 4468, 4521, 6028, 6702, 9042, 12287, 13404, 18084, 24574, 36861, 49148, 73722, 147444, 153029, 306058, 459087, 612116, 918174, 1683319, 1836348, 3366638, 5049957, 6733276, 10099914, 20199828]

約数ペア:

[(1, 20199828), (2, 10099914), (3, 6733276), (4, 5049957), (6, 3366638), (11, 1836348), (12, 1683319), (22, 918174), (33, 612116), (44, 459087), (66, 306058), (132, 153029), (137, 147444), (274, 73722), (411, 49148), (548, 36861), (822, 24574), (1117, 18084), (1507, 13404), (1644, 12287), (2234, 9042), (3014, 6702), (3351, 6028), (4468, 4521)]