20815676960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10007537}}^1$

素因数の和:10007565

約数の個数: 48

約数和(自身を含む): 52959891096

約数和(自身を除く): 32144214136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 10007537, 20015074, 40030148, 50037685, 80060296, 100075370, 130097981, 160120592, 200150740, 260195962, 320241184, 400301480, 520391924, 650489905, 800602960, 1040783848, 1300979810, 1601205920, 2081567696, 2601959620, 4163135392, 5203919240, 10407838480, 20815676960]

約数ペア:

[(1, 20815676960), (2, 10407838480), (4, 5203919240), (5, 4163135392), (8, 2601959620), (10, 2081567696), (13, 1601205920), (16, 1300979810), (20, 1040783848), (26, 800602960), (32, 650489905), (40, 520391924), (52, 400301480), (65, 320241184), (80, 260195962), (104, 200150740), (130, 160120592), (160, 130097981), (208, 100075370), (260, 80060296), (416, 50037685), (520, 40030148), (1040, 20015074), (2080, 10007537)]