20940416

素因数分解:

$2^7\times 7^1\times {\mathrm{23371}}^1$

素因数の和:23392

約数の個数: 32

約数和(自身を含む): 47678880

約数和(自身を除く): 26738464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23371, 46742, 93484, 163597, 186968, 327194, 373936, 654388, 747872, 1308776, 1495744, 2617552, 2991488, 5235104, 10470208, 20940416]

約数ペア:

[(1, 20940416), (2, 10470208), (4, 5235104), (7, 2991488), (8, 2617552), (14, 1495744), (16, 1308776), (28, 747872), (32, 654388), (56, 373936), (64, 327194), (112, 186968), (128, 163597), (224, 93484), (448, 46742), (896, 23371)]