20198528

素因数分解:

$2^7\times 7^1\times {\mathrm{22543}}^1$

素因数の和:22564

約数の個数: 32

約数和(自身を含む): 45989760

約数和(自身を除く): 25791232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 22543, 45086, 90172, 157801, 180344, 315602, 360688, 631204, 721376, 1262408, 1442752, 2524816, 2885504, 5049632, 10099264, 20198528]

約数ペア:

[(1, 20198528), (2, 10099264), (4, 5049632), (7, 2885504), (8, 2524816), (14, 1442752), (16, 1262408), (28, 721376), (32, 631204), (56, 360688), (64, 315602), (112, 180344), (128, 157801), (224, 90172), (448, 45086), (896, 22543)]