20221744

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20719}}^1$

素因数の和:20788

約数の個数: 20

約数和(自身を含む): 39823840

約数和(自身を除く): 19602096

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20719, 41438, 82876, 165752, 331504, 1263859, 2527718, 5055436, 10110872, 20221744]

約数ペア:

[(1, 20221744), (2, 10110872), (4, 5055436), (8, 2527718), (16, 1263859), (61, 331504), (122, 165752), (244, 82876), (488, 41438), (976, 20719)]