20897432

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{829}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 41234400

約数和(自身を除く): 20336968

約数列:

[1, 2, 4, 8, 23, 46, 92, 137, 184, 274, 548, 829, 1096, 1658, 3151, 3316, 6302, 6632, 12604, 19067, 25208, 38134, 76268, 113573, 152536, 227146, 454292, 908584, 2612179, 5224358, 10448716, 20897432]

約数ペア:

[(1, 20897432), (2, 10448716), (4, 5224358), (8, 2612179), (23, 908584), (46, 454292), (92, 227146), (137, 152536), (184, 113573), (274, 76268), (548, 38134), (829, 25208), (1096, 19067), (1658, 12604), (3151, 6632), (3316, 6302)]