20959144

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{29437}}^1$

素因数の和:29532

約数の個数: 16

約数和(自身を含む): 39741300

約数和(自身を除く): 18782156

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 29437, 58874, 117748, 235496, 2619893, 5239786, 10479572, 20959144]

約数ペア:

[(1, 20959144), (2, 10479572), (4, 5239786), (8, 2619893), (89, 235496), (178, 117748), (356, 58874), (712, 29437)]