20371072

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{2609}}^1$

素因数の和:2684

約数の個数: 32

約数和(自身を含む): 41264100

約数和(自身を除く): 20893028

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 2609, 3904, 5218, 7808, 10436, 20872, 41744, 83488, 159149, 166976, 318298, 333952, 636596, 1273192, 2546384, 5092768, 10185536, 20371072]

約数ペア:

[(1, 20371072), (2, 10185536), (4, 5092768), (8, 2546384), (16, 1273192), (32, 636596), (61, 333952), (64, 318298), (122, 166976), (128, 159149), (244, 83488), (488, 41744), (976, 20872), (1952, 10436), (2609, 7808), (3904, 5218)]