20264750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7369}}^1$

素因数の和:7397

約数の個数: 32

約数和(自身を含む): 41389920

約数和(自身を除く): 21125170

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7369, 14738, 36845, 73690, 81059, 162118, 184225, 368450, 405295, 810590, 921125, 1842250, 2026475, 4052950, 10132375, 20264750]

約数ペア:

[(1, 20264750), (2, 10132375), (5, 4052950), (10, 2026475), (11, 1842250), (22, 921125), (25, 810590), (50, 405295), (55, 368450), (110, 184225), (125, 162118), (250, 81059), (275, 73690), (550, 36845), (1375, 14738), (2750, 7369)]