20353160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22123}}^1$

素因数の和:22157

約数の個数: 32

約数和(自身を含む): 47787840

約数和(自身を除く): 27434680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22123, 44246, 88492, 110615, 176984, 221230, 442460, 508829, 884920, 1017658, 2035316, 2544145, 4070632, 5088290, 10176580, 20353160]

約数ペア:

[(1, 20353160), (2, 10176580), (4, 5088290), (5, 4070632), (8, 2544145), (10, 2035316), (20, 1017658), (23, 884920), (40, 508829), (46, 442460), (92, 221230), (115, 176984), (184, 110615), (230, 88492), (460, 44246), (920, 22123)]