20070359920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{2621}}^1$

素因数の和:2883

約数の個数: 160

約数和(自身を含む): 51890428800

約数和(自身を除く): 31820068880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 199, 208, 260, 296, 370, 398, 481, 520, 592, 740, 796, 962, 995, 1040, 1480, 1592, 1924, 1990, 2405, 2587, 2621, 2960, 3184, 3848, 3980, 4810, 5174, 5242, 7363, 7696, 7960, 9620, 10348, 10484, 12935, 13105, 14726, 15920, 19240, 20696, 20968, 25870, 26210, 29452, 34073, 36815, 38480, 41392, 41936, 51740, 52420, 58904, 68146, 73630, 95719, 96977, 103480, 104840, 117808, 136292, 147260, 170365, 191438, 193954, 206960, 209680, 272584, 294520, 340730, 382876, 387908, 478595, 484885, 521579, 545168, 589040, 681460, 765752, 775816, 957190, 969770, 1043158, 1260701, 1362920, 1531504, 1551632, 1914380, 1939540, 2086316, 2521402, 2607895, 2725840, 3828760, 3879080, 4172632, 5042804, 5215790, 6303505, 6780527, 7657520, 7758160, 8345264, 10085608, 10431580, 12607010, 13561054, 19298423, 20171216, 20863160, 25214020, 27122108, 33902635, 38596846, 41726320, 50428040, 54244216, 67805270, 77193692, 96492115, 100856080, 108488432, 135610540, 154387384, 192984230, 250879499, 271221080, 308774768, 385968460, 501758998, 542442160, 771936920, 1003517996, 1254397495, 1543873840, 2007035992, 2508794990, 4014071984, 5017589980, 10035179960, 20070359920]

約数ペア:

[(1, 20070359920), (2, 10035179960), (4, 5017589980), (5, 4014071984), (8, 2508794990), (10, 2007035992), (13, 1543873840), (16, 1254397495), (20, 1003517996), (26, 771936920), (37, 542442160), (40, 501758998), (52, 385968460), (65, 308774768), (74, 271221080), (80, 250879499), (104, 192984230), (130, 154387384), (148, 135610540), (185, 108488432), (199, 100856080), (208, 96492115), (260, 77193692), (296, 67805270), (370, 54244216), (398, 50428040), (481, 41726320), (520, 38596846), (592, 33902635), (740, 27122108), (796, 25214020), (962, 20863160), (995, 20171216), (1040, 19298423), (1480, 13561054), (1592, 12607010), (1924, 10431580), (1990, 10085608), (2405, 8345264), (2587, 7758160), (2621, 7657520), (2960, 6780527), (3184, 6303505), (3848, 5215790), (3980, 5042804), (4810, 4172632), (5174, 3879080), (5242, 3828760), (7363, 2725840), (7696, 2607895), (7960, 2521402), (9620, 2086316), (10348, 1939540), (10484, 1914380), (12935, 1551632), (13105, 1531504), (14726, 1362920), (15920, 1260701), (19240, 1043158), (20696, 969770), (20968, 957190), (25870, 775816), (26210, 765752), (29452, 681460), (34073, 589040), (36815, 545168), (38480, 521579), (41392, 484885), (41936, 478595), (51740, 387908), (52420, 382876), (58904, 340730), (68146, 294520), (73630, 272584), (95719, 209680), (96977, 206960), (103480, 193954), (104840, 191438), (117808, 170365), (136292, 147260)]