20164980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30553}}^1$

素因数の和:30576

約数の個数: 48

約数和(自身を含む): 61596864

約数和(自身を除く): 41431884

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 30553, 61106, 91659, 122212, 152765, 183318, 305530, 336083, 366636, 458295, 611060, 672166, 916590, 1008249, 1344332, 1680415, 1833180, 2016498, 3360830, 4032996, 5041245, 6721660, 10082490, 20164980]

約数ペア:

[(1, 20164980), (2, 10082490), (3, 6721660), (4, 5041245), (5, 4032996), (6, 3360830), (10, 2016498), (11, 1833180), (12, 1680415), (15, 1344332), (20, 1008249), (22, 916590), (30, 672166), (33, 611060), (44, 458295), (55, 366636), (60, 336083), (66, 305530), (110, 183318), (132, 152765), (165, 122212), (220, 91659), (330, 61106), (660, 30553)]