20188656

素因数分解:

$2^4\times 3^3\times {\mathrm{17}}^1\times {\mathrm{2749}}^1$

素因数の和:2783

約数の個数: 80

約数和(自身を含む): 61380000

約数和(自身を除く): 41191344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 102, 108, 136, 144, 153, 204, 216, 272, 306, 408, 432, 459, 612, 816, 918, 1224, 1836, 2448, 2749, 3672, 5498, 7344, 8247, 10996, 16494, 21992, 24741, 32988, 43984, 46733, 49482, 65976, 74223, 93466, 98964, 131952, 140199, 148446, 186932, 197928, 280398, 296892, 373864, 395856, 420597, 560796, 593784, 747728, 841194, 1121592, 1187568, 1261791, 1682388, 2243184, 2523582, 3364776, 5047164, 6729552, 10094328, 20188656]

約数ペア:

[(1, 20188656), (2, 10094328), (3, 6729552), (4, 5047164), (6, 3364776), (8, 2523582), (9, 2243184), (12, 1682388), (16, 1261791), (17, 1187568), (18, 1121592), (24, 841194), (27, 747728), (34, 593784), (36, 560796), (48, 420597), (51, 395856), (54, 373864), (68, 296892), (72, 280398), (102, 197928), (108, 186932), (136, 148446), (144, 140199), (153, 131952), (204, 98964), (216, 93466), (272, 74223), (306, 65976), (408, 49482), (432, 46733), (459, 43984), (612, 32988), (816, 24741), (918, 21992), (1224, 16494), (1836, 10996), (2448, 8247), (2749, 7344), (3672, 5498)]