20080329987

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1\times {\mathrm{7309}}^1$

素因数の和:7795

約数の個数: 32

約数和(自身を含む): 28458707200

約数和(自身を除く): 8378377213

約数列:

[1, 3, 19, 57, 157, 307, 471, 921, 2983, 5833, 7309, 8949, 17499, 21927, 48199, 138871, 144597, 416613, 915781, 1147513, 2243863, 2747343, 3442539, 6731589, 21802747, 42633397, 65408241, 127900191, 352286491, 1056859473, 6693443329, 20080329987]

約数ペア:

[(1, 20080329987), (3, 6693443329), (19, 1056859473), (57, 352286491), (157, 127900191), (307, 65408241), (471, 42633397), (921, 21802747), (2983, 6731589), (5833, 3442539), (7309, 2747343), (8949, 2243863), (17499, 1147513), (21927, 915781), (48199, 416613), (138871, 144597)]