20441893108

素因数分解:

$2^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{163729}}^1$

素因数の和:163774

約数の個数: 60

約数和(自身を含む): 44943557540

約数和(自身を除く): 24501664432

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 343, 364, 637, 686, 1274, 1372, 2401, 2548, 4459, 4802, 8918, 9604, 17836, 31213, 62426, 124852, 163729, 327458, 654916, 1146103, 2128477, 2292206, 4256954, 4584412, 8022721, 8513908, 14899339, 16045442, 29798678, 32090884, 56159047, 59597356, 104295373, 112318094, 208590746, 224636188, 393113329, 417181492, 730067611, 786226658, 1460135222, 1572453316, 2920270444, 5110473277, 10220946554, 20441893108]

約数ペア:

[(1, 20441893108), (2, 10220946554), (4, 5110473277), (7, 2920270444), (13, 1572453316), (14, 1460135222), (26, 786226658), (28, 730067611), (49, 417181492), (52, 393113329), (91, 224636188), (98, 208590746), (182, 112318094), (196, 104295373), (343, 59597356), (364, 56159047), (637, 32090884), (686, 29798678), (1274, 16045442), (1372, 14899339), (2401, 8513908), (2548, 8022721), (4459, 4584412), (4802, 4256954), (8918, 2292206), (9604, 2128477), (17836, 1146103), (31213, 654916), (62426, 327458), (124852, 163729)]