20972088

素因数分解:

$2^3\times 3^3\times {\mathrm{151}}^1\times {\mathrm{643}}^1$

素因数の和:809

約数の個数: 64

約数和(自身を含む): 58732800

約数和(自身を除く): 37760712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 151, 216, 302, 453, 604, 643, 906, 1208, 1286, 1359, 1812, 1929, 2572, 2718, 3624, 3858, 4077, 5144, 5436, 5787, 7716, 8154, 10872, 11574, 15432, 16308, 17361, 23148, 32616, 34722, 46296, 69444, 97093, 138888, 194186, 291279, 388372, 582558, 776744, 873837, 1165116, 1747674, 2330232, 2621511, 3495348, 5243022, 6990696, 10486044, 20972088]

約数ペア:

[(1, 20972088), (2, 10486044), (3, 6990696), (4, 5243022), (6, 3495348), (8, 2621511), (9, 2330232), (12, 1747674), (18, 1165116), (24, 873837), (27, 776744), (36, 582558), (54, 388372), (72, 291279), (108, 194186), (151, 138888), (216, 97093), (302, 69444), (453, 46296), (604, 34722), (643, 32616), (906, 23148), (1208, 17361), (1286, 16308), (1359, 15432), (1812, 11574), (1929, 10872), (2572, 8154), (2718, 7716), (3624, 5787), (3858, 5436), (4077, 5144)]