20104070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12487}}^1$

素因数の和:12524

約数の個数: 32

約数和(自身を含む): 43158528

約数和(自身を除く): 23054458

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12487, 24974, 62435, 87409, 124870, 174818, 287201, 437045, 574402, 874090, 1436005, 2010407, 2872010, 4020814, 10052035, 20104070]

約数ペア:

[(1, 20104070), (2, 10052035), (5, 4020814), (7, 2872010), (10, 2010407), (14, 1436005), (23, 874090), (35, 574402), (46, 437045), (70, 287201), (115, 174818), (161, 124870), (230, 87409), (322, 62435), (805, 24974), (1610, 12487)]