20187020420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6269261}}^1$

素因数の和:6269300

約数の個数: 48

約数和(自身を含む): 50555328768

約数和(自身を除く): 30368308348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 6269261, 12538522, 25077044, 31346305, 43884827, 62692610, 87769654, 125385220, 144193003, 175539308, 219424135, 288386006, 438848270, 576772012, 720965015, 877696540, 1009351021, 1441930030, 2018702042, 2883860060, 4037404084, 5046755105, 10093510210, 20187020420]

約数ペア:

[(1, 20187020420), (2, 10093510210), (4, 5046755105), (5, 4037404084), (7, 2883860060), (10, 2018702042), (14, 1441930030), (20, 1009351021), (23, 877696540), (28, 720965015), (35, 576772012), (46, 438848270), (70, 288386006), (92, 219424135), (115, 175539308), (140, 144193003), (161, 125385220), (230, 87769654), (322, 62692610), (460, 43884827), (644, 31346305), (805, 25077044), (1610, 12538522), (3220, 6269261)]