20185948920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1949}}^1\times {\mathrm{5077}}^1$

素因数の和:7057

約数の個数: 128

約数和(自身を含む): 64165608000

約数和(自身を除く): 43979659080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 1949, 2040, 3898, 5077, 5847, 7796, 9745, 10154, 11694, 15231, 15592, 19490, 20308, 23388, 25385, 29235, 30462, 33133, 38980, 40616, 46776, 50770, 58470, 60924, 66266, 76155, 77960, 86309, 99399, 101540, 116940, 121848, 132532, 152310, 165665, 172618, 198798, 203080, 233880, 258927, 265064, 304620, 331330, 345236, 397596, 431545, 496995, 517854, 609240, 662660, 690472, 795192, 863090, 993990, 1035708, 1294635, 1325320, 1726180, 1987980, 2071416, 2589270, 3452360, 3975960, 5178540, 9895073, 10357080, 19790146, 29685219, 39580292, 49475365, 59370438, 79160584, 98950730, 118740876, 148426095, 168216241, 197901460, 237481752, 296852190, 336432482, 395802920, 504648723, 593704380, 672864964, 841081205, 1009297446, 1187408760, 1345729928, 1682162410, 2018594892, 2523243615, 3364324820, 4037189784, 5046487230, 6728649640, 10092974460, 20185948920]

約数ペア:

[(1, 20185948920), (2, 10092974460), (3, 6728649640), (4, 5046487230), (5, 4037189784), (6, 3364324820), (8, 2523243615), (10, 2018594892), (12, 1682162410), (15, 1345729928), (17, 1187408760), (20, 1009297446), (24, 841081205), (30, 672864964), (34, 593704380), (40, 504648723), (51, 395802920), (60, 336432482), (68, 296852190), (85, 237481752), (102, 197901460), (120, 168216241), (136, 148426095), (170, 118740876), (204, 98950730), (255, 79160584), (340, 59370438), (408, 49475365), (510, 39580292), (680, 29685219), (1020, 19790146), (1949, 10357080), (2040, 9895073), (3898, 5178540), (5077, 3975960), (5847, 3452360), (7796, 2589270), (9745, 2071416), (10154, 1987980), (11694, 1726180), (15231, 1325320), (15592, 1294635), (19490, 1035708), (20308, 993990), (23388, 863090), (25385, 795192), (29235, 690472), (30462, 662660), (33133, 609240), (38980, 517854), (40616, 496995), (46776, 431545), (50770, 397596), (58470, 345236), (60924, 331330), (66266, 304620), (76155, 265064), (77960, 258927), (86309, 233880), (99399, 203080), (101540, 198798), (116940, 172618), (121848, 165665), (132532, 152310)]