204590020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{3331}}^1$

素因数の和:3460

約数の個数: 48

約数和(自身を含む): 446701248

約数和(自身を除く): 242111228

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 83, 148, 166, 185, 332, 370, 415, 740, 830, 1660, 3071, 3331, 6142, 6662, 12284, 13324, 15355, 16655, 30710, 33310, 61420, 66620, 123247, 246494, 276473, 492988, 552946, 616235, 1105892, 1232470, 1382365, 2464940, 2764730, 5529460, 10229501, 20459002, 40918004, 51147505, 102295010, 204590020]

約数ペア:

[(1, 204590020), (2, 102295010), (4, 51147505), (5, 40918004), (10, 20459002), (20, 10229501), (37, 5529460), (74, 2764730), (83, 2464940), (148, 1382365), (166, 1232470), (185, 1105892), (332, 616235), (370, 552946), (415, 492988), (740, 276473), (830, 246494), (1660, 123247), (3071, 66620), (3331, 61420), (6142, 33310), (6662, 30710), (12284, 16655), (13324, 15355)]