20568712

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{373}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 39651480

約数和(自身を除く): 19082768

約数列:

[1, 2, 4, 8, 61, 113, 122, 226, 244, 373, 452, 488, 746, 904, 1492, 2984, 6893, 13786, 22753, 27572, 42149, 45506, 55144, 84298, 91012, 168596, 182024, 337192, 2571089, 5142178, 10284356, 20568712]

約数ペア:

[(1, 20568712), (2, 10284356), (4, 5142178), (8, 2571089), (61, 337192), (113, 182024), (122, 168596), (226, 91012), (244, 84298), (373, 55144), (452, 45506), (488, 42149), (746, 27572), (904, 22753), (1492, 13786), (2984, 6893)]