20648186280

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2124299}}^1$

素因数の和:2124325

約数の個数: 96

約数和(自身を含む): 69592068000

約数和(自身を除く): 48943881720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 9720, 2124299, 4248598, 6372897, 8497196, 10621495, 12745794, 16994392, 19118691, 21242990, 25491588, 31864485, 38237382, 42485980, 50983176, 57356073, 63728970, 76474764, 84971960, 95593455, 114712146, 127457940, 152949528, 172068219, 191186910, 229424292, 254915880, 286780365, 344136438, 382373820, 458848584, 516204657, 573560730, 688272876, 764747640, 860341095, 1032409314, 1147121460, 1376545752, 1720682190, 2064818628, 2294242920, 2581023285, 3441364380, 4129637256, 5162046570, 6882728760, 10324093140, 20648186280]

約数ペア:

[(1, 20648186280), (2, 10324093140), (3, 6882728760), (4, 5162046570), (5, 4129637256), (6, 3441364380), (8, 2581023285), (9, 2294242920), (10, 2064818628), (12, 1720682190), (15, 1376545752), (18, 1147121460), (20, 1032409314), (24, 860341095), (27, 764747640), (30, 688272876), (36, 573560730), (40, 516204657), (45, 458848584), (54, 382373820), (60, 344136438), (72, 286780365), (81, 254915880), (90, 229424292), (108, 191186910), (120, 172068219), (135, 152949528), (162, 127457940), (180, 114712146), (216, 95593455), (243, 84971960), (270, 76474764), (324, 63728970), (360, 57356073), (405, 50983176), (486, 42485980), (540, 38237382), (648, 31864485), (810, 25491588), (972, 21242990), (1080, 19118691), (1215, 16994392), (1620, 12745794), (1944, 10621495), (2430, 8497196), (3240, 6372897), (4860, 4248598), (9720, 2124299)]