20705184

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{4229}}^1$

素因数の和:4262

約数の個数: 72

約数和(自身を含む): 62358660

約数和(自身を除く): 41653476

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 272, 288, 306, 408, 544, 612, 816, 1224, 1632, 2448, 4229, 4896, 8458, 12687, 16916, 25374, 33832, 38061, 50748, 67664, 71893, 76122, 101496, 135328, 143786, 152244, 202992, 215679, 287572, 304488, 405984, 431358, 575144, 608976, 647037, 862716, 1150288, 1217952, 1294074, 1725432, 2300576, 2588148, 3450864, 5176296, 6901728, 10352592, 20705184]

約数ペア:

[(1, 20705184), (2, 10352592), (3, 6901728), (4, 5176296), (6, 3450864), (8, 2588148), (9, 2300576), (12, 1725432), (16, 1294074), (17, 1217952), (18, 1150288), (24, 862716), (32, 647037), (34, 608976), (36, 575144), (48, 431358), (51, 405984), (68, 304488), (72, 287572), (96, 215679), (102, 202992), (136, 152244), (144, 143786), (153, 135328), (204, 101496), (272, 76122), (288, 71893), (306, 67664), (408, 50748), (544, 38061), (612, 33832), (816, 25374), (1224, 16916), (1632, 12687), (2448, 8458), (4229, 4896)]