20810699

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 27331584

約数和(自身を除く): 6520885

約数列:

[1, 7, 13, 23, 61, 91, 161, 163, 299, 427, 793, 1141, 1403, 2093, 2119, 3749, 5551, 9821, 9943, 14833, 18239, 26243, 48737, 69601, 127673, 129259, 228689, 341159, 904813, 1600823, 2972957, 20810699]

約数ペア:

[(1, 20810699), (7, 2972957), (13, 1600823), (23, 904813), (61, 341159), (91, 228689), (161, 129259), (163, 127673), (299, 69601), (427, 48737), (793, 26243), (1141, 18239), (1403, 14833), (2093, 9943), (2119, 9821), (3749, 5551)]