20862597

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 33341440

約数和(自身を除く): 12478843

約数列:

[1, 3, 7, 21, 31, 73, 93, 217, 219, 439, 511, 651, 1317, 1533, 2263, 3073, 6789, 9219, 13609, 15841, 32047, 40827, 47523, 95263, 96141, 224329, 285789, 672987, 993457, 2980371, 6954199, 20862597]

約数ペア:

[(1, 20862597), (3, 6954199), (7, 2980371), (21, 993457), (31, 672987), (73, 285789), (93, 224329), (217, 96141), (219, 95263), (439, 47523), (511, 40827), (651, 32047), (1317, 15841), (1533, 13609), (2263, 9219), (3073, 6789)]