20585.00000000

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1867}}^1$

素因数の和:1968

約数の個数: 96

約数和(自身を含む): 263612160

約数和(自身を除く): 179933220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 83, 90, 108, 135, 166, 180, 249, 270, 332, 415, 498, 540, 747, 830, 996, 1245, 1494, 1660, 1867, 2241, 2490, 2988, 3734, 3735, 4482, 4980, 5601, 7468, 7470, 8964, 9335, 11202, 11205, 14940, 16803, 18670, 22404, 22410, 28005, 33606, 37340, 44820, 50409, 56010, 67212, 84015, 100818, 112020, 154961, 168030, 201636, 252045, 309922, 336060, 464883, 504090, 619844, 774805, 929766, 1008180, 1394649, 1549610, 1859532, 2324415, 2789298, 3099220, 4183947, 4648830, 5578596, 6973245, 8367894, 9297660, 13946490, 16735788, 20919735, 27892980, 41839470, 83678940]

約数ペア:

[(1, 83678940), (2, 41839470), (3, 27892980), (4, 20919735), (5, 16735788), (6, 13946490), (9, 9297660), (10, 8367894), (12, 6973245), (15, 5578596), (18, 4648830), (20, 4183947), (27, 3099220), (30, 2789298), (36, 2324415), (45, 1859532), (54, 1549610), (60, 1394649), (83, 1008180), (90, 929766), (108, 774805), (135, 619844), (166, 504090), (180, 464883), (249, 336060), (270, 309922), (332, 252045), (415, 201636), (498, 168030), (540, 154961), (747, 112020), (830, 100818), (996, 84015), (1245, 67212), (1494, 56010), (1660, 50409), (1867, 44820), (2241, 37340), (2490, 33606), (2988, 28005), (3734, 22410), (3735, 22404), (4482, 18670), (4980, 16803), (5601, 14940), (7468, 11205), (7470, 11202), (8964, 9335)]