20418810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6361}}^1$

素因数の和:6478

約数の個数: 32

約数和(自身を含む): 49470912

約数和(自身を除く): 29052102

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 6361, 12722, 19083, 31805, 38166, 63610, 95415, 190830, 680627, 1361254, 2041881, 3403135, 4083762, 6806270, 10209405, 20418810]

約数ペア:

[(1, 20418810), (2, 10209405), (3, 6806270), (5, 4083762), (6, 3403135), (10, 2041881), (15, 1361254), (30, 680627), (107, 190830), (214, 95415), (321, 63610), (535, 38166), (642, 31805), (1070, 19083), (1605, 12722), (3210, 6361)]