20173312700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2447}}^1\times {\mathrm{4339}}^1$

素因数の和:6819

約数の個数: 72

約数和(自身を含む): 46109548800

約数和(自身を除く): 25936236100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 2447, 4339, 4894, 8678, 9788, 12235, 17356, 21695, 24470, 43390, 46493, 48940, 61175, 82441, 86780, 92986, 108475, 122350, 164882, 185972, 216950, 232465, 244700, 329764, 412205, 433900, 464930, 824410, 929860, 1162325, 1648820, 2061025, 2324650, 4122050, 4649300, 8244100, 10617533, 21235066, 42470132, 53087665, 106175330, 201733127, 212350660, 265438325, 403466254, 530876650, 806932508, 1008665635, 1061753300, 2017331270, 4034662540, 5043328175, 10086656350, 20173312700]

約数ペア:

[(1, 20173312700), (2, 10086656350), (4, 5043328175), (5, 4034662540), (10, 2017331270), (19, 1061753300), (20, 1008665635), (25, 806932508), (38, 530876650), (50, 403466254), (76, 265438325), (95, 212350660), (100, 201733127), (190, 106175330), (380, 53087665), (475, 42470132), (950, 21235066), (1900, 10617533), (2447, 8244100), (4339, 4649300), (4894, 4122050), (8678, 2324650), (9788, 2061025), (12235, 1648820), (17356, 1162325), (21695, 929860), (24470, 824410), (43390, 464930), (46493, 433900), (48940, 412205), (61175, 329764), (82441, 244700), (86780, 232465), (92986, 216950), (108475, 185972), (122350, 164882)]