20080302

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 26921298

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 67, 114, 134, 201, 209, 239, 402, 418, 478, 627, 717, 737, 1254, 1273, 1434, 1474, 2211, 2546, 2629, 3819, 4422, 4541, 5258, 7638, 7887, 9082, 13623, 14003, 15774, 16013, 27246, 28006, 32026, 42009, 48039, 49951, 84018, 96078, 99902, 149853, 176143, 299706, 304247, 352286, 528429, 608494, 912741, 1056858, 1825482, 3346717, 6693434, 10040151, 20080302]

約数ペア:

[(1, 20080302), (2, 10040151), (3, 6693434), (6, 3346717), (11, 1825482), (19, 1056858), (22, 912741), (33, 608494), (38, 528429), (57, 352286), (66, 304247), (67, 299706), (114, 176143), (134, 149853), (201, 99902), (209, 96078), (239, 84018), (402, 49951), (418, 48039), (478, 42009), (627, 32026), (717, 28006), (737, 27246), (1254, 16013), (1273, 15774), (1434, 14003), (1474, 13623), (2211, 9082), (2546, 7887), (2629, 7638), (3819, 5258), (4422, 4541)]