20455920498

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{573863}}^1$

素因数の和:574338

約数の個数: 32

約数和(自身を含む): 44155391616

約数和(自身を除く): 23699471118

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 457, 914, 1371, 2742, 5941, 11882, 17823, 35646, 573863, 1147726, 1721589, 3443178, 7460219, 14920438, 22380657, 44761314, 262255391, 524510782, 786766173, 1573532346, 3409320083, 6818640166, 10227960249, 20455920498]

約数ペア:

[(1, 20455920498), (2, 10227960249), (3, 6818640166), (6, 3409320083), (13, 1573532346), (26, 786766173), (39, 524510782), (78, 262255391), (457, 44761314), (914, 22380657), (1371, 14920438), (2742, 7460219), (5941, 3443178), (11882, 1721589), (17823, 1147726), (35646, 573863)]