20369408

素因数分解:

$2^{12}\times {\mathrm{4973}}^1$

素因数の和:4997

約数の個数: 26

約数和(自身を含む): 40742034

約数和(自身を除く): 20372626

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 4973, 9946, 19892, 39784, 79568, 159136, 318272, 636544, 1273088, 2546176, 5092352, 10184704, 20369408]

約数ペア:

[(1, 20369408), (2, 10184704), (4, 5092352), (8, 2546176), (16, 1273088), (32, 636544), (64, 318272), (128, 159136), (256, 79568), (512, 39784), (1024, 19892), (2048, 9946), (4096, 4973)]