20022877940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2137}}^1\times {\mathrm{36037}}^1$

素因数の和:38196

約数の個数: 48

約数和(自身を含む): 45304955472

約数和(自身を除く): 25282077532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2137, 4274, 8548, 10685, 21370, 27781, 36037, 42740, 55562, 72074, 111124, 138905, 144148, 180185, 277810, 360370, 468481, 555620, 720740, 936962, 1873924, 2342405, 4684810, 9369620, 77011069, 154022138, 308044276, 385055345, 770110690, 1001143897, 1540221380, 2002287794, 4004575588, 5005719485, 10011438970, 20022877940]

約数ペア:

[(1, 20022877940), (2, 10011438970), (4, 5005719485), (5, 4004575588), (10, 2002287794), (13, 1540221380), (20, 1001143897), (26, 770110690), (52, 385055345), (65, 308044276), (130, 154022138), (260, 77011069), (2137, 9369620), (4274, 4684810), (8548, 2342405), (10685, 1873924), (21370, 936962), (27781, 720740), (36037, 555620), (42740, 468481), (55562, 360370), (72074, 277810), (111124, 180185), (138905, 144148)]