20209176

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{2399}}^1$

素因数の和:2430

約数の個数: 80

約数和(自身を含む): 60984000

約数和(自身を除く): 40774824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2399, 2808, 4212, 4798, 7197, 8424, 9596, 14394, 19192, 21591, 28788, 31187, 43182, 57576, 62374, 64773, 86364, 93561, 124748, 129546, 172728, 187122, 194319, 249496, 259092, 280683, 374244, 388638, 518184, 561366, 748488, 777276, 842049, 1122732, 1554552, 1684098, 2245464, 2526147, 3368196, 5052294, 6736392, 10104588, 20209176]

約数ペア:

[(1, 20209176), (2, 10104588), (3, 6736392), (4, 5052294), (6, 3368196), (8, 2526147), (9, 2245464), (12, 1684098), (13, 1554552), (18, 1122732), (24, 842049), (26, 777276), (27, 748488), (36, 561366), (39, 518184), (52, 388638), (54, 374244), (72, 280683), (78, 259092), (81, 249496), (104, 194319), (108, 187122), (117, 172728), (156, 129546), (162, 124748), (216, 93561), (234, 86364), (312, 64773), (324, 62374), (351, 57576), (468, 43182), (648, 31187), (702, 28788), (936, 21591), (1053, 19192), (1404, 14394), (2106, 9596), (2399, 8424), (2808, 7197), (4212, 4798)]