20145950520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{702439}}^1$

素因数の和:702692

約数の個数: 64

約数和(自身を含む): 60690816000

約数和(自身を除く): 40544865480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 4780, 5736, 7170, 9560, 14340, 28680, 702439, 1404878, 2107317, 2809756, 3512195, 4214634, 5619512, 7024390, 8429268, 10536585, 14048780, 16858536, 21073170, 28097560, 42146340, 84292680, 167882921, 335765842, 503648763, 671531684, 839414605, 1007297526, 1343063368, 1678829210, 2014595052, 2518243815, 3357658420, 4029190104, 5036487630, 6715316840, 10072975260, 20145950520]

約数ペア:

[(1, 20145950520), (2, 10072975260), (3, 6715316840), (4, 5036487630), (5, 4029190104), (6, 3357658420), (8, 2518243815), (10, 2014595052), (12, 1678829210), (15, 1343063368), (20, 1007297526), (24, 839414605), (30, 671531684), (40, 503648763), (60, 335765842), (120, 167882921), (239, 84292680), (478, 42146340), (717, 28097560), (956, 21073170), (1195, 16858536), (1434, 14048780), (1912, 10536585), (2390, 8429268), (2868, 7024390), (3585, 5619512), (4780, 4214634), (5736, 3512195), (7170, 2809756), (9560, 2107317), (14340, 1404878), (28680, 702439)]