20124016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1049}}^1$

素因数の和:1177

約数の個数: 40

約数和(自身を含む): 42966000

約数和(自身を除く): 22841984

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 872, 1049, 1199, 1744, 2098, 2398, 4196, 4796, 8392, 9592, 11539, 16784, 19184, 23078, 46156, 92312, 114341, 184624, 228682, 457364, 914728, 1257751, 1829456, 2515502, 5031004, 10062008, 20124016]

約数ペア:

[(1, 20124016), (2, 10062008), (4, 5031004), (8, 2515502), (11, 1829456), (16, 1257751), (22, 914728), (44, 457364), (88, 228682), (109, 184624), (176, 114341), (218, 92312), (436, 46156), (872, 23078), (1049, 19184), (1199, 16784), (1744, 11539), (2098, 9592), (2398, 8392), (4196, 4796)]