20161344487775

素因数分解:

$5^2\times {\mathrm{313}}^1\times {\mathrm{1447}}^1\times {\mathrm{1780601}}^1$

素因数の和:1782371

約数の個数: 24

約数和(自身を含む): 25097286048864

約数和(自身を除く): 4935941561089

約数列:

[1, 5, 25, 313, 1447, 1565, 7235, 7825, 36175, 452911, 1780601, 2264555, 8903005, 11322775, 44515025, 557328113, 2576529647, 2786640565, 12882648235, 13933202825, 64413241175, 806453779511, 4032268897555, 20161344487775]

約数ペア:

[(1, 20161344487775), (5, 4032268897555), (25, 806453779511), (313, 64413241175), (1447, 13933202825), (1565, 12882648235), (7235, 2786640565), (7825, 2576529647), (36175, 557328113), (452911, 44515025), (1780601, 11322775), (2264555, 8903005)]