20781744

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{22787}}^1$

素因数の和:22817

約数の個数: 40

約数和(自身を含む): 56514240

約数和(自身を除く): 35732496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 22787, 45574, 68361, 91148, 136722, 182296, 273444, 364592, 432953, 546888, 865906, 1093776, 1298859, 1731812, 2597718, 3463624, 5195436, 6927248, 10390872, 20781744]

約数ペア:

[(1, 20781744), (2, 10390872), (3, 6927248), (4, 5195436), (6, 3463624), (8, 2597718), (12, 1731812), (16, 1298859), (19, 1093776), (24, 865906), (38, 546888), (48, 432953), (57, 364592), (76, 273444), (114, 182296), (152, 136722), (228, 91148), (304, 68361), (456, 45574), (912, 22787)]