20862464

素因数分解:

$2^9\times 7^1\times {\mathrm{5821}}^1$

素因数の和:5846

約数の個数: 40

約数和(自身を含む): 47647248

約数和(自身を除く): 26784784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5821, 11642, 23284, 40747, 46568, 81494, 93136, 162988, 186272, 325976, 372544, 651952, 745088, 1303904, 1490176, 2607808, 2980352, 5215616, 10431232, 20862464]

約数ペア:

[(1, 20862464), (2, 10431232), (4, 5215616), (7, 2980352), (8, 2607808), (14, 1490176), (16, 1303904), (28, 745088), (32, 651952), (56, 372544), (64, 325976), (112, 186272), (128, 162988), (224, 93136), (256, 81494), (448, 46568), (512, 40747), (896, 23284), (1792, 11642), (3584, 5821)]