20951568

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{4409}}^1$

素因数の和:4437

約数の個数: 80

約数和(自身を含む): 65620800

約数和(自身を除く): 44669232

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 88, 99, 108, 132, 144, 176, 198, 216, 264, 297, 396, 432, 528, 594, 792, 1188, 1584, 2376, 4409, 4752, 8818, 13227, 17636, 26454, 35272, 39681, 48499, 52908, 70544, 79362, 96998, 105816, 119043, 145497, 158724, 193996, 211632, 238086, 290994, 317448, 387992, 436491, 476172, 581988, 634896, 775984, 872982, 952344, 1163976, 1309473, 1745964, 1904688, 2327952, 2618946, 3491928, 5237892, 6983856, 10475784, 20951568]

約数ペア:

[(1, 20951568), (2, 10475784), (3, 6983856), (4, 5237892), (6, 3491928), (8, 2618946), (9, 2327952), (11, 1904688), (12, 1745964), (16, 1309473), (18, 1163976), (22, 952344), (24, 872982), (27, 775984), (33, 634896), (36, 581988), (44, 476172), (48, 436491), (54, 387992), (66, 317448), (72, 290994), (88, 238086), (99, 211632), (108, 193996), (132, 158724), (144, 145497), (176, 119043), (198, 105816), (216, 96998), (264, 79362), (297, 70544), (396, 52908), (432, 48499), (528, 39681), (594, 35272), (792, 26454), (1188, 17636), (1584, 13227), (2376, 8818), (4409, 4752)]