20064550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{191}}^2$

素因数の和:405

約数の個数: 36

約数和(自身を含む): 40927068

約数和(自身を除く): 20862518

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 191, 275, 382, 550, 955, 1910, 2101, 4202, 4775, 9550, 10505, 21010, 36481, 52525, 72962, 105050, 182405, 364810, 401291, 802582, 912025, 1824050, 2006455, 4012910, 10032275, 20064550]

約数ペア:

[(1, 20064550), (2, 10032275), (5, 4012910), (10, 2006455), (11, 1824050), (22, 912025), (25, 802582), (50, 401291), (55, 364810), (110, 182405), (191, 105050), (275, 72962), (382, 52525), (550, 36481), (955, 21010), (1910, 10505), (2101, 9550), (4202, 4775)]