20548512

素因数分解:

$2^5\times 3^3\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1435

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 42955488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 96, 102, 108, 136, 144, 153, 204, 216, 272, 288, 306, 408, 432, 459, 544, 612, 816, 864, 918, 1224, 1399, 1632, 1836, 2448, 2798, 3672, 4197, 4896, 5596, 7344, 8394, 11192, 12591, 14688, 16788, 22384, 23783, 25182, 33576, 37773, 44768, 47566, 50364, 67152, 71349, 75546, 95132, 100728, 134304, 142698, 151092, 190264, 201456, 214047, 285396, 302184, 380528, 402912, 428094, 570792, 604368, 642141, 761056, 856188, 1141584, 1208736, 1284282, 1712376, 2283168, 2568564, 3424752, 5137128, 6849504, 10274256, 20548512]

約数ペア:

[(1, 20548512), (2, 10274256), (3, 6849504), (4, 5137128), (6, 3424752), (8, 2568564), (9, 2283168), (12, 1712376), (16, 1284282), (17, 1208736), (18, 1141584), (24, 856188), (27, 761056), (32, 642141), (34, 604368), (36, 570792), (48, 428094), (51, 402912), (54, 380528), (68, 302184), (72, 285396), (96, 214047), (102, 201456), (108, 190264), (136, 151092), (144, 142698), (153, 134304), (204, 100728), (216, 95132), (272, 75546), (288, 71349), (306, 67152), (408, 50364), (432, 47566), (459, 44768), (544, 37773), (612, 33576), (816, 25182), (864, 23783), (918, 22384), (1224, 16788), (1399, 14688), (1632, 12591), (1836, 11192), (2448, 8394), (2798, 7344), (3672, 5596), (4197, 4896)]