20237668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 41061888

約数和(自身を除く): 20824220

約数列:

[1, 2, 4, 11, 22, 31, 37, 44, 62, 74, 124, 148, 341, 401, 407, 682, 802, 814, 1147, 1364, 1604, 1628, 2294, 4411, 4588, 8822, 12431, 12617, 14837, 17644, 24862, 25234, 29674, 49724, 50468, 59348, 136741, 163207, 273482, 326414, 459947, 546964, 652828, 919894, 1839788, 5059417, 10118834, 20237668]

約数ペア:

[(1, 20237668), (2, 10118834), (4, 5059417), (11, 1839788), (22, 919894), (31, 652828), (37, 546964), (44, 459947), (62, 326414), (74, 273482), (124, 163207), (148, 136741), (341, 59348), (401, 50468), (407, 49724), (682, 29674), (802, 25234), (814, 24862), (1147, 17644), (1364, 14837), (1604, 12617), (1628, 12431), (2294, 8822), (4411, 4588)]