20464064

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{16829}}^1$

素因数の和:16860

約数の個数: 28

約数和(自身を含む): 42748200

約数和(自身を除く): 22284136

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 16829, 33658, 67316, 134632, 269264, 319751, 538528, 639502, 1077056, 1279004, 2558008, 5116016, 10232032, 20464064]

約数ペア:

[(1, 20464064), (2, 10232032), (4, 5116016), (8, 2558008), (16, 1279004), (19, 1077056), (32, 639502), (38, 538528), (64, 319751), (76, 269264), (152, 134632), (304, 67316), (608, 33658), (1216, 16829)]