20916256

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38449}}^1$

素因数の和:38476

約数の個数: 24

約数和(自身を含む): 43602300

約数和(自身を除く): 22686044

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38449, 76898, 153796, 307592, 615184, 653633, 1230368, 1307266, 2614532, 5229064, 10458128, 20916256]

約数ペア:

[(1, 20916256), (2, 10458128), (4, 5229064), (8, 2614532), (16, 1307266), (17, 1230368), (32, 653633), (34, 615184), (68, 307592), (136, 153796), (272, 76898), (544, 38449)]