20070281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4273}}^1$

素因数の和:4352

約数の個数: 16

約数和(自身を含む): 25438848

約数和(自身を除く): 5368567

約数列:

[1, 7, 11, 61, 77, 427, 671, 4273, 4697, 29911, 47003, 260653, 329021, 1824571, 2867183, 20070281]

約数ペア:

[(1, 20070281), (7, 2867183), (11, 1824571), (61, 329021), (77, 260653), (427, 47003), (671, 29911), (4273, 4697)]