20484736

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8423}}^1$

素因数の和:8456

約数の個数: 32

約数和(自身を含む): 42962400

約数和(自身を除く): 22477664

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8423, 16846, 33692, 67384, 134768, 160037, 269536, 320074, 539072, 640148, 1078144, 1280296, 2560592, 5121184, 10242368, 20484736]

約数ペア:

[(1, 20484736), (2, 10242368), (4, 5121184), (8, 2560592), (16, 1280296), (19, 1078144), (32, 640148), (38, 539072), (64, 320074), (76, 269536), (128, 160037), (152, 134768), (304, 67384), (608, 33692), (1216, 16846), (2432, 8423)]