20565521860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4652833}}^1$

素因数の和:4652872

約数の個数: 48

約数和(自身を含む): 49245595056

約数和(自身を除く): 28680073196

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 4652833, 9305666, 18611332, 23264165, 46528330, 60486829, 79098161, 93056660, 120973658, 158196322, 241947316, 302434145, 316392644, 395490805, 604868290, 790981610, 1028276093, 1209736580, 1581963220, 2056552186, 4113104372, 5141380465, 10282760930, 20565521860]

約数ペア:

[(1, 20565521860), (2, 10282760930), (4, 5141380465), (5, 4113104372), (10, 2056552186), (13, 1581963220), (17, 1209736580), (20, 1028276093), (26, 790981610), (34, 604868290), (52, 395490805), (65, 316392644), (68, 302434145), (85, 241947316), (130, 158196322), (170, 120973658), (221, 93056660), (260, 79098161), (340, 60486829), (442, 46528330), (884, 23264165), (1105, 18611332), (2210, 9305666), (4420, 4652833)]