20143864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6679}}^1$

素因数の和:6727

約数の個数: 32

約数和(自身を含む): 42084000

約数和(自身を除く): 21940136

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 6679, 13358, 26716, 53432, 86827, 173654, 193691, 347308, 387382, 694616, 774764, 1549528, 2517983, 5035966, 10071932, 20143864]

約数ペア:

[(1, 20143864), (2, 10071932), (4, 5035966), (8, 2517983), (13, 1549528), (26, 774764), (29, 694616), (52, 387382), (58, 347308), (104, 193691), (116, 173654), (232, 86827), (377, 53432), (754, 26716), (1508, 13358), (3016, 6679)]