20168552

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1117}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 39510120

約数和(自身を除く): 19341568

約数列:

[1, 2, 4, 8, 37, 61, 74, 122, 148, 244, 296, 488, 1117, 2234, 2257, 4468, 4514, 8936, 9028, 18056, 41329, 68137, 82658, 136274, 165316, 272548, 330632, 545096, 2521069, 5042138, 10084276, 20168552]

約数ペア:

[(1, 20168552), (2, 10084276), (4, 5042138), (8, 2521069), (37, 545096), (61, 330632), (74, 272548), (122, 165316), (148, 136274), (244, 82658), (296, 68137), (488, 41329), (1117, 18056), (2234, 9028), (2257, 8936), (4468, 4514)]