20406035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 28486080

約数和(自身を除く): 8080045

約数列:

[1, 5, 13, 17, 59, 65, 85, 221, 295, 313, 767, 1003, 1105, 1565, 3835, 4069, 5015, 5321, 13039, 18467, 20345, 26605, 65195, 69173, 92335, 240071, 313939, 345865, 1200355, 1569695, 4081207, 20406035]

約数ペア:

[(1, 20406035), (5, 4081207), (13, 1569695), (17, 1200355), (59, 345865), (65, 313939), (85, 240071), (221, 92335), (295, 69173), (313, 65195), (767, 26605), (1003, 20345), (1105, 18467), (1565, 13039), (3835, 5321), (4069, 5015)]