20766384

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^2\times {\mathrm{499}}^1$

素因数の和:547

約数の個数: 90

約数和(自身を含む): 61860500

約数和(自身を除く): 41094116

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 289, 306, 408, 499, 578, 612, 816, 867, 998, 1156, 1224, 1497, 1734, 1996, 2312, 2448, 2601, 2994, 3468, 3992, 4491, 4624, 5202, 5988, 6936, 7984, 8483, 8982, 10404, 11976, 13872, 16966, 17964, 20808, 23952, 25449, 33932, 35928, 41616, 50898, 67864, 71856, 76347, 101796, 135728, 144211, 152694, 203592, 288422, 305388, 407184, 432633, 576844, 610776, 865266, 1153688, 1221552, 1297899, 1730532, 2307376, 2595798, 3461064, 5191596, 6922128, 10383192, 20766384]

約数ペア:

[(1, 20766384), (2, 10383192), (3, 6922128), (4, 5191596), (6, 3461064), (8, 2595798), (9, 2307376), (12, 1730532), (16, 1297899), (17, 1221552), (18, 1153688), (24, 865266), (34, 610776), (36, 576844), (48, 432633), (51, 407184), (68, 305388), (72, 288422), (102, 203592), (136, 152694), (144, 144211), (153, 135728), (204, 101796), (272, 76347), (289, 71856), (306, 67864), (408, 50898), (499, 41616), (578, 35928), (612, 33932), (816, 25449), (867, 23952), (998, 20808), (1156, 17964), (1224, 16966), (1497, 13872), (1734, 11976), (1996, 10404), (2312, 8982), (2448, 8483), (2601, 7984), (2994, 6936), (3468, 5988), (3992, 5202), (4491, 4624)]