20686464

素因数分解:

$2^7\times 3^2\times {\mathrm{17957}}^1$

素因数の和:17977

約数の個数: 48

約数和(自身を含む): 59530770

約数和(自身を除く): 38844306

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 17957, 35914, 53871, 71828, 107742, 143656, 161613, 215484, 287312, 323226, 430968, 574624, 646452, 861936, 1149248, 1292904, 1723872, 2298496, 2585808, 3447744, 5171616, 6895488, 10343232, 20686464]

約数ペア:

[(1, 20686464), (2, 10343232), (3, 6895488), (4, 5171616), (6, 3447744), (8, 2585808), (9, 2298496), (12, 1723872), (16, 1292904), (18, 1149248), (24, 861936), (32, 646452), (36, 574624), (48, 430968), (64, 323226), (72, 287312), (96, 215484), (128, 161613), (144, 143656), (192, 107742), (288, 71828), (384, 53871), (576, 35914), (1152, 17957)]