20182980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{937}}^1$

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 56730240

約数和(自身を除く): 36547260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 359, 718, 937, 1077, 1436, 1795, 1874, 2154, 2811, 3590, 3748, 4308, 4685, 5385, 5622, 7180, 9370, 10770, 11244, 14055, 18740, 21540, 28110, 56220, 336383, 672766, 1009149, 1345532, 1681915, 2018298, 3363830, 4036596, 5045745, 6727660, 10091490, 20182980]

約数ペア:

[(1, 20182980), (2, 10091490), (3, 6727660), (4, 5045745), (5, 4036596), (6, 3363830), (10, 2018298), (12, 1681915), (15, 1345532), (20, 1009149), (30, 672766), (60, 336383), (359, 56220), (718, 28110), (937, 21540), (1077, 18740), (1436, 14055), (1795, 11244), (1874, 10770), (2154, 9370), (2811, 7180), (3590, 5622), (3748, 5385), (4308, 4685)]