20343484840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{81727}}^1$

素因数の和:81879

約数の個数: 96

約数和(自身を含む): 53665873920

約数和(自身を除く): 33322389080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 127, 140, 196, 245, 254, 280, 392, 490, 508, 635, 889, 980, 1016, 1270, 1778, 1960, 2540, 3556, 4445, 5080, 6223, 7112, 8890, 12446, 17780, 24892, 31115, 35560, 49784, 62230, 81727, 124460, 163454, 248920, 326908, 408635, 572089, 653816, 817270, 1144178, 1634540, 2288356, 2860445, 3269080, 4004623, 4576712, 5720890, 8009246, 10379329, 11441780, 16018492, 20023115, 20758658, 22883560, 32036984, 40046230, 41517316, 51896645, 72655303, 80092460, 83034632, 103793290, 145310606, 160184920, 207586580, 290621212, 363276515, 415173160, 508587121, 581242424, 726553030, 1017174242, 1453106060, 2034348484, 2542935605, 2906212120, 4068696968, 5085871210, 10171742420, 20343484840]

約数ペア:

[(1, 20343484840), (2, 10171742420), (4, 5085871210), (5, 4068696968), (7, 2906212120), (8, 2542935605), (10, 2034348484), (14, 1453106060), (20, 1017174242), (28, 726553030), (35, 581242424), (40, 508587121), (49, 415173160), (56, 363276515), (70, 290621212), (98, 207586580), (127, 160184920), (140, 145310606), (196, 103793290), (245, 83034632), (254, 80092460), (280, 72655303), (392, 51896645), (490, 41517316), (508, 40046230), (635, 32036984), (889, 22883560), (980, 20758658), (1016, 20023115), (1270, 16018492), (1778, 11441780), (1960, 10379329), (2540, 8009246), (3556, 5720890), (4445, 4576712), (5080, 4004623), (6223, 3269080), (7112, 2860445), (8890, 2288356), (12446, 1634540), (17780, 1144178), (24892, 817270), (31115, 653816), (35560, 572089), (49784, 408635), (62230, 326908), (81727, 248920), (124460, 163454)]