20949734

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 36033984

約数和(自身を除く): 15084250

約数列:

[1, 2, 13, 23, 26, 46, 53, 106, 299, 598, 661, 689, 1219, 1322, 1378, 2438, 8593, 15203, 15847, 17186, 30406, 31694, 35033, 70066, 197639, 395278, 455429, 805759, 910858, 1611518, 10474867, 20949734]

約数ペア:

[(1, 20949734), (2, 10474867), (13, 1611518), (23, 910858), (26, 805759), (46, 455429), (53, 395278), (106, 197639), (299, 70066), (598, 35033), (661, 31694), (689, 30406), (1219, 17186), (1322, 15847), (1378, 15203), (2438, 8593)]