20149206476

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1039}}^1\times {\mathrm{18719}}^1$

素因数の和:19806

約数の個数: 48

約数和(自身を含む): 41429606400

約数和(自身を除く): 21280399924

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 1039, 2078, 4156, 7273, 14546, 18719, 29092, 37438, 38443, 74876, 76886, 131033, 153772, 262066, 269101, 524132, 538202, 692603, 1076404, 1385206, 2770412, 4848221, 9696442, 19392884, 19449041, 38898082, 77796164, 136143287, 272286574, 544573148, 719614517, 1439229034, 2878458068, 5037301619, 10074603238, 20149206476]

約数ペア:

[(1, 20149206476), (2, 10074603238), (4, 5037301619), (7, 2878458068), (14, 1439229034), (28, 719614517), (37, 544573148), (74, 272286574), (148, 136143287), (259, 77796164), (518, 38898082), (1036, 19449041), (1039, 19392884), (2078, 9696442), (4156, 4848221), (7273, 2770412), (14546, 1385206), (18719, 1076404), (29092, 692603), (37438, 538202), (38443, 524132), (74876, 269101), (76886, 262066), (131033, 153772)]