20700920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22501}}^1$

素因数の和:22535

約数の個数: 32

約数和(自身を含む): 48604320

約数和(自身を除く): 27903400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22501, 45002, 90004, 112505, 180008, 225010, 450020, 517523, 900040, 1035046, 2070092, 2587615, 4140184, 5175230, 10350460, 20700920]

約数ペア:

[(1, 20700920), (2, 10350460), (4, 5175230), (5, 4140184), (8, 2587615), (10, 2070092), (20, 1035046), (23, 900040), (40, 517523), (46, 450020), (92, 225010), (115, 180008), (184, 112505), (230, 90004), (460, 45002), (920, 22501)]