220180964

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{2273}}^1$

素因数の和:2735

約数の個数: 24

約数和(自身を含む): 392792568

約数和(自身を除く): 172611604

約数列:

[1, 2, 4, 61, 122, 244, 397, 794, 1588, 2273, 4546, 9092, 24217, 48434, 96868, 138653, 277306, 554612, 902381, 1804762, 3609524, 55045241, 110090482, 220180964]

約数ペア:

[(1, 220180964), (2, 110090482), (4, 55045241), (61, 3609524), (122, 1804762), (244, 902381), (397, 554612), (794, 277306), (1588, 138653), (2273, 96868), (4546, 48434), (9092, 24217)]