20319882

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 46687104

約数和(自身を除く): 26367222

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 53, 66, 74, 106, 111, 157, 159, 222, 314, 318, 407, 471, 583, 814, 942, 1166, 1221, 1727, 1749, 1961, 2442, 3454, 3498, 3922, 5181, 5809, 5883, 8321, 10362, 11618, 11766, 16642, 17427, 21571, 24963, 34854, 43142, 49926, 63899, 64713, 91531, 127798, 129426, 183062, 191697, 274593, 307877, 383394, 549186, 615754, 923631, 1847262, 3386647, 6773294, 10159941, 20319882]

約数ペア:

[(1, 20319882), (2, 10159941), (3, 6773294), (6, 3386647), (11, 1847262), (22, 923631), (33, 615754), (37, 549186), (53, 383394), (66, 307877), (74, 274593), (106, 191697), (111, 183062), (157, 129426), (159, 127798), (222, 91531), (314, 64713), (318, 63899), (407, 49926), (471, 43142), (583, 34854), (814, 24963), (942, 21571), (1166, 17427), (1221, 16642), (1727, 11766), (1749, 11618), (1961, 10362), (2442, 8321), (3454, 5883), (3498, 5809), (3922, 5181)]