20405844

素因数分解:

$2^2\times 3^4\times {\mathrm{62981}}^1$

素因数の和:62997

約数の個数: 30

約数和(自身を含む): 53345754

約数和(自身を除く): 32939910

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 62981, 125962, 188943, 251924, 377886, 566829, 755772, 1133658, 1700487, 2267316, 3400974, 5101461, 6801948, 10202922, 20405844]

約数ペア:

[(1, 20405844), (2, 10202922), (3, 6801948), (4, 5101461), (6, 3400974), (9, 2267316), (12, 1700487), (18, 1133658), (27, 755772), (36, 566829), (54, 377886), (81, 251924), (108, 188943), (162, 125962), (324, 62981)]