20439364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1063}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 22461116

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 76, 92, 209, 253, 418, 437, 506, 836, 874, 1012, 1063, 1748, 2126, 4252, 4807, 9614, 11693, 19228, 20197, 23386, 24449, 40394, 46772, 48898, 80788, 97796, 222167, 268939, 444334, 464531, 537878, 888668, 929062, 1075756, 1858124, 5109841, 10219682, 20439364]

約数ペア:

[(1, 20439364), (2, 10219682), (4, 5109841), (11, 1858124), (19, 1075756), (22, 929062), (23, 888668), (38, 537878), (44, 464531), (46, 444334), (76, 268939), (92, 222167), (209, 97796), (253, 80788), (418, 48898), (437, 46772), (506, 40394), (836, 24449), (874, 23386), (1012, 20197), (1063, 19228), (1748, 11693), (2126, 9614), (4252, 4807)]