20159771913

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{422557}}^1$

素因数の和:422619

約数の個数: 40

約数和(自身を含む): 32722891520

約数和(自身を除く): 12563119607

約数列:

[1, 3, 9, 19, 27, 31, 57, 81, 93, 171, 279, 513, 589, 837, 1539, 1767, 2511, 5301, 15903, 47709, 422557, 1267671, 3803013, 8028583, 11409039, 13099267, 24085749, 34227117, 39297801, 72257247, 117893403, 216771741, 248886073, 353680209, 650315223, 746658219, 1061040627, 2239974657, 6719923971, 20159771913]

約数ペア:

[(1, 20159771913), (3, 6719923971), (9, 2239974657), (19, 1061040627), (27, 746658219), (31, 650315223), (57, 353680209), (81, 248886073), (93, 216771741), (171, 117893403), (279, 72257247), (513, 39297801), (589, 34227117), (837, 24085749), (1539, 13099267), (1767, 11409039), (2511, 8028583), (5301, 3803013), (15903, 1267671), (47709, 422557)]