20973070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1153}}^1$

素因数の和:1284

約数の個数: 32

約数和(自身を含む): 40380768

約数和(自身を除く): 19407698

約数列:

[1, 2, 5, 10, 17, 34, 85, 107, 170, 214, 535, 1070, 1153, 1819, 2306, 3638, 5765, 9095, 11530, 18190, 19601, 39202, 98005, 123371, 196010, 246742, 616855, 1233710, 2097307, 4194614, 10486535, 20973070]

約数ペア:

[(1, 20973070), (2, 10486535), (5, 4194614), (10, 2097307), (17, 1233710), (34, 616855), (85, 246742), (107, 196010), (170, 123371), (214, 98005), (535, 39202), (1070, 19601), (1153, 18190), (1819, 11530), (2306, 9095), (3638, 5765)]