20007183

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 31977472

約数和(自身を除く): 11970289

約数列:

[1, 3, 7, 21, 31, 73, 93, 217, 219, 421, 511, 651, 1263, 1533, 2263, 2947, 6789, 8841, 13051, 15841, 30733, 39153, 47523, 91357, 92199, 215131, 274071, 645393, 952723, 2858169, 6669061, 20007183]

約数ペア:

[(1, 20007183), (3, 6669061), (7, 2858169), (21, 952723), (31, 645393), (73, 274071), (93, 215131), (217, 92199), (219, 91357), (421, 47523), (511, 39153), (651, 30733), (1263, 15841), (1533, 13051), (2263, 8841), (2947, 6789)]