20174781380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1158139}}^1$

素因数の和:1158228

約数の個数: 48

約数和(自身を含む): 46307069760

約数和(自身を除く): 26132288380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 8710, 17420, 1158139, 2316278, 4632556, 5790695, 11581390, 15055807, 23162780, 30111614, 60223228, 75279035, 77595313, 150558070, 155190626, 301116140, 310381252, 387976565, 775953130, 1008739069, 1551906260, 2017478138, 4034956276, 5043695345, 10087390690, 20174781380]

約数ペア:

[(1, 20174781380), (2, 10087390690), (4, 5043695345), (5, 4034956276), (10, 2017478138), (13, 1551906260), (20, 1008739069), (26, 775953130), (52, 387976565), (65, 310381252), (67, 301116140), (130, 155190626), (134, 150558070), (260, 77595313), (268, 75279035), (335, 60223228), (670, 30111614), (871, 23162780), (1340, 15055807), (1742, 11581390), (3484, 5790695), (4355, 4632556), (8710, 2316278), (17420, 1158139)]