20805552

素因数分解:

$2^4\times 3^3\times {\mathrm{17}}^1\times {\mathrm{2833}}^1$

素因数の和:2867

約数の個数: 80

約数和(自身を含む): 63254880

約数和(自身を除く): 42449328

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, 2833, 3672, 5666, 7344, 8499, 11332, 16998, 22664, 25497, 33996, 45328, 48161, 50994, 67992, 76491, 96322, 101988, 135984, 144483, 152982, 192644, 203976, 288966, 305964, 385288, 407952, 433449, 577932, 611928, 770576, 866898, 1155864, 1223856, 1300347, 1733796, 2311728, 2600694, 3467592, 5201388, 6935184, 10402776, 20805552]

約数ペア:

[(1, 20805552), (2, 10402776), (3, 6935184), (4, 5201388), (6, 3467592), (8, 2600694), (9, 2311728), (12, 1733796), (16, 1300347), (17, 1223856), (18, 1155864), (24, 866898), (27, 770576), (34, 611928), (36, 577932), (48, 433449), (51, 407952), (54, 385288), (68, 305964), (72, 288966), (102, 203976), (108, 192644), (136, 152982), (144, 144483), (153, 135984), (204, 101988), (216, 96322), (272, 76491), (306, 67992), (408, 50994), (432, 48161), (459, 45328), (612, 33996), (816, 25497), (918, 22664), (1224, 16998), (1836, 11332), (2448, 8499), (2833, 7344), (3672, 5666)]