20889198722

素因数分解:

$2^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{342143}}^1$

素因数の和:342255

約数の個数: 32

約数和(自身を含む): 36951552000

約数和(自身を除く): 16062353278

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 343, 623, 686, 1246, 4361, 8722, 30527, 61054, 342143, 684286, 2395001, 4790002, 16765007, 30450727, 33530014, 60901454, 117355049, 213155089, 234710098, 426310178, 1492085623, 2984171246, 10444599361, 20889198722]

約数ペア:

[(1, 20889198722), (2, 10444599361), (7, 2984171246), (14, 1492085623), (49, 426310178), (89, 234710098), (98, 213155089), (178, 117355049), (343, 60901454), (623, 33530014), (686, 30450727), (1246, 16765007), (4361, 4790002), (8722, 2395001), (30527, 684286), (61054, 342143)]