20536216

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{28843}}^1$

素因数の和:28938

約数の個数: 16

約数和(自身を含む): 38939400

約数和(自身を除く): 18403184

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 28843, 57686, 115372, 230744, 2567027, 5134054, 10268108, 20536216]

約数ペア:

[(1, 20536216), (2, 10268108), (4, 5134054), (8, 2567027), (89, 230744), (178, 115372), (356, 57686), (712, 28843)]