20109623405

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{1889}}^1\times {\mathrm{26951}}^1$

素因数の和:28924

約数の個数: 16

約数和(自身を含む): 24450854400

約数和(自身を除く): 4341230995

約数列:

[1, 5, 79, 395, 1889, 9445, 26951, 134755, 149231, 746155, 2129129, 10645645, 50910439, 254552195, 4021924681, 20109623405]

約数ペア:

[(1, 20109623405), (5, 4021924681), (79, 254552195), (395, 50910439), (1889, 10645645), (9445, 2129129), (26951, 746155), (134755, 149231)]