20170662520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{12553}}^1$

素因数の和:12737

約数の個数: 96

約数和(自身を含む): 48561382800

約数和(自身を除く): 28390720280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 278, 289, 340, 556, 578, 680, 695, 1112, 1156, 1390, 1445, 2312, 2363, 2780, 2890, 4726, 5560, 5780, 9452, 11560, 11815, 12553, 18904, 23630, 25106, 40171, 47260, 50212, 62765, 80342, 94520, 100424, 125530, 160684, 200855, 213401, 251060, 321368, 401710, 426802, 502120, 803420, 853604, 1067005, 1606840, 1707208, 1744867, 2134010, 3489734, 3627817, 4268020, 6979468, 7255634, 8536040, 8724335, 13958936, 14511268, 17448670, 18139085, 29022536, 29662739, 34897340, 36278170, 59325478, 69794680, 72556340, 118650956, 145112680, 148313695, 237301912, 296627390, 504266563, 593254780, 1008533126, 1186509560, 2017066252, 2521332815, 4034132504, 5042665630, 10085331260, 20170662520]

約数ペア:

[(1, 20170662520), (2, 10085331260), (4, 5042665630), (5, 4034132504), (8, 2521332815), (10, 2017066252), (17, 1186509560), (20, 1008533126), (34, 593254780), (40, 504266563), (68, 296627390), (85, 237301912), (136, 148313695), (139, 145112680), (170, 118650956), (278, 72556340), (289, 69794680), (340, 59325478), (556, 36278170), (578, 34897340), (680, 29662739), (695, 29022536), (1112, 18139085), (1156, 17448670), (1390, 14511268), (1445, 13958936), (2312, 8724335), (2363, 8536040), (2780, 7255634), (2890, 6979468), (4726, 4268020), (5560, 3627817), (5780, 3489734), (9452, 2134010), (11560, 1744867), (11815, 1707208), (12553, 1606840), (18904, 1067005), (23630, 853604), (25106, 803420), (40171, 502120), (47260, 426802), (50212, 401710), (62765, 321368), (80342, 251060), (94520, 213401), (100424, 200855), (125530, 160684)]