20793725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1$

素因数の和:134

約数の個数: 36

約数和(自身を含む): 28513056

約数和(自身を除く): 7719331

約数列:

[1, 5, 23, 25, 29, 43, 115, 145, 215, 575, 667, 725, 841, 989, 1075, 1247, 3335, 4205, 4945, 6235, 16675, 19343, 21025, 24725, 28681, 31175, 36163, 96715, 143405, 180815, 483575, 717025, 831749, 904075, 4158745, 20793725]

約数ペア:

[(1, 20793725), (5, 4158745), (23, 904075), (25, 831749), (29, 717025), (43, 483575), (115, 180815), (145, 143405), (215, 96715), (575, 36163), (667, 31175), (725, 28681), (841, 24725), (989, 21025), (1075, 19343), (1247, 16675), (3335, 6235), (4205, 4945)]