19720384

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{13397}}^1$

素因数の和:13432

約数の個数: 28

約数和(自身を含む): 40837104

約数和(自身を除く): 21116720

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 184, 368, 736, 1472, 13397, 26794, 53588, 107176, 214352, 308131, 428704, 616262, 857408, 1232524, 2465048, 4930096, 9860192, 19720384]

約数ペア:

[(1, 19720384), (2, 9860192), (4, 4930096), (8, 2465048), (16, 1232524), (23, 857408), (32, 616262), (46, 428704), (64, 308131), (92, 214352), (184, 107176), (368, 53588), (736, 26794), (1472, 13397)]