20197376

素因数分解:

$2^{12}\times {\mathrm{4931}}^1$

素因数の和:4955

約数の個数: 26

約数和(自身を含む): 40398012

約数和(自身を除く): 20200636

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 4931, 9862, 19724, 39448, 78896, 157792, 315584, 631168, 1262336, 2524672, 5049344, 10098688, 20197376]

約数ペア:

[(1, 20197376), (2, 10098688), (4, 5049344), (8, 2524672), (16, 1262336), (32, 631168), (64, 315584), (128, 157792), (256, 78896), (512, 39448), (1024, 19724), (2048, 9862), (4096, 4931)]