20377011942

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{135787}}^1$

素因数の和:136202

約数の個数: 64

約数和(自身を含む): 51881879040

約数和(自身を除く): 31504867098

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 397, 794, 1191, 2382, 2779, 3573, 5558, 7146, 8337, 10719, 16674, 21438, 25011, 50022, 75033, 135787, 150066, 271574, 407361, 814722, 950509, 1222083, 1901018, 2444166, 2851527, 3666249, 5703054, 7332498, 8554581, 17109162, 25663743, 51327486, 53907439, 107814878, 161722317, 323444634, 377352073, 485166951, 754704146, 970333902, 1132056219, 1455500853, 2264112438, 2911001706, 3396168657, 6792337314, 10188505971, 20377011942]

約数ペア:

[(1, 20377011942), (2, 10188505971), (3, 6792337314), (6, 3396168657), (7, 2911001706), (9, 2264112438), (14, 1455500853), (18, 1132056219), (21, 970333902), (27, 754704146), (42, 485166951), (54, 377352073), (63, 323444634), (126, 161722317), (189, 107814878), (378, 53907439), (397, 51327486), (794, 25663743), (1191, 17109162), (2382, 8554581), (2779, 7332498), (3573, 5703054), (5558, 3666249), (7146, 2851527), (8337, 2444166), (10719, 1901018), (16674, 1222083), (21438, 950509), (25011, 814722), (50022, 407361), (75033, 271574), (135787, 150066)]