20858904

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{8779}}^1$

素因数の和:8805

約数の個数: 64

約数和(自身を含む): 63216000

約数和(自身を除く): 42357096

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 88, 99, 108, 132, 198, 216, 264, 297, 396, 594, 792, 1188, 2376, 8779, 17558, 26337, 35116, 52674, 70232, 79011, 96569, 105348, 158022, 193138, 210696, 237033, 289707, 316044, 386276, 474066, 579414, 632088, 772552, 869121, 948132, 1158828, 1738242, 1896264, 2317656, 2607363, 3476484, 5214726, 6952968, 10429452, 20858904]

約数ペア:

[(1, 20858904), (2, 10429452), (3, 6952968), (4, 5214726), (6, 3476484), (8, 2607363), (9, 2317656), (11, 1896264), (12, 1738242), (18, 1158828), (22, 948132), (24, 869121), (27, 772552), (33, 632088), (36, 579414), (44, 474066), (54, 386276), (66, 316044), (72, 289707), (88, 237033), (99, 210696), (108, 193138), (132, 158022), (198, 105348), (216, 96569), (264, 79011), (297, 70232), (396, 52674), (594, 35116), (792, 26337), (1188, 17558), (2376, 8779)]