20990202

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{373}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 42977088

約数和(自身を除く): 21986886

約数列:

[1, 2, 3, 6, 83, 113, 166, 226, 249, 339, 373, 498, 678, 746, 1119, 2238, 9379, 18758, 28137, 30959, 42149, 56274, 61918, 84298, 92877, 126447, 185754, 252894, 3498367, 6996734, 10495101, 20990202]

約数ペア:

[(1, 20990202), (2, 10495101), (3, 6996734), (6, 3498367), (83, 252894), (113, 185754), (166, 126447), (226, 92877), (249, 84298), (339, 61918), (373, 56274), (498, 42149), (678, 30959), (746, 28137), (1119, 18758), (2238, 9379)]