20213038947

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{87049}}^1$

素因数の和:87255

約数の個数: 32

約数和(自身を含む): 29708424000

約数和(自身を除く): 9495385053

約数列:

[1, 3, 17, 29, 51, 87, 157, 471, 493, 1479, 2669, 4553, 8007, 13659, 77401, 87049, 232203, 261147, 1479833, 2524421, 4439499, 7573263, 13666693, 41000079, 42915157, 128745471, 232333781, 396334097, 697001343, 1189002291, 6737679649, 20213038947]

約数ペア:

[(1, 20213038947), (3, 6737679649), (17, 1189002291), (29, 697001343), (51, 396334097), (87, 232333781), (157, 128745471), (471, 42915157), (493, 41000079), (1479, 13666693), (2669, 7573263), (4553, 4439499), (8007, 2524421), (13659, 1479833), (77401, 261147), (87049, 232203)]