20173027520

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{3557}}^1$

素因数の和:4090

約数の個数: 112

約数和(自身を含む): 49452215040

約数和(自身を除く): 29279187520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 320, 370, 479, 592, 740, 958, 1184, 1480, 1916, 2368, 2395, 2960, 3557, 3832, 4790, 5920, 7114, 7664, 9580, 11840, 14228, 15328, 17723, 17785, 19160, 28456, 30656, 35446, 35570, 38320, 56912, 70892, 71140, 76640, 88615, 113824, 131609, 141784, 142280, 153280, 177230, 227648, 263218, 283568, 284560, 354460, 526436, 567136, 569120, 658045, 708920, 1052872, 1134272, 1138240, 1316090, 1417840, 1703803, 2105744, 2632180, 2835680, 3407606, 4211488, 5264360, 5671360, 6815212, 8422976, 8519015, 10528720, 13630424, 17038030, 21057440, 27260848, 34076060, 42114880, 54521696, 63040711, 68152120, 109043392, 126081422, 136304240, 252162844, 272608480, 315203555, 504325688, 545216960, 630407110, 1008651376, 1260814220, 2017302752, 2521628440, 4034605504, 5043256880, 10086513760, 20173027520]

約数ペア:

[(1, 20173027520), (2, 10086513760), (4, 5043256880), (5, 4034605504), (8, 2521628440), (10, 2017302752), (16, 1260814220), (20, 1008651376), (32, 630407110), (37, 545216960), (40, 504325688), (64, 315203555), (74, 272608480), (80, 252162844), (148, 136304240), (160, 126081422), (185, 109043392), (296, 68152120), (320, 63040711), (370, 54521696), (479, 42114880), (592, 34076060), (740, 27260848), (958, 21057440), (1184, 17038030), (1480, 13630424), (1916, 10528720), (2368, 8519015), (2395, 8422976), (2960, 6815212), (3557, 5671360), (3832, 5264360), (4790, 4211488), (5920, 3407606), (7114, 2835680), (7664, 2632180), (9580, 2105744), (11840, 1703803), (14228, 1417840), (15328, 1316090), (17723, 1138240), (17785, 1134272), (19160, 1052872), (28456, 708920), (30656, 658045), (35446, 569120), (35570, 567136), (38320, 526436), (56912, 354460), (70892, 284560), (71140, 283568), (76640, 263218), (88615, 227648), (113824, 177230), (131609, 153280), (141784, 142280)]