20163787212

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{383}}^1\times {\mathrm{397}}^1$

素因数の和:1087

約数の個数: 96

約数和(自身を含む): 48578568192

約数和(自身を除く): 28414780980

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 257, 258, 383, 397, 514, 516, 766, 771, 794, 1028, 1149, 1191, 1532, 1542, 1588, 2298, 2382, 3084, 4596, 4764, 11051, 16469, 17071, 22102, 32938, 33153, 34142, 44204, 49407, 51213, 65876, 66306, 68284, 98431, 98814, 102029, 102426, 132612, 152051, 196862, 197628, 204058, 204852, 295293, 304102, 306087, 393724, 408116, 456153, 590586, 608204, 612174, 912306, 1181172, 1224348, 1824612, 4232533, 4387247, 6538193, 8465066, 8774494, 12697599, 13076386, 13161741, 16930132, 17548988, 19614579, 25395198, 26152772, 26323482, 39077107, 39229158, 50790396, 52646964, 78154214, 78458316, 117231321, 156308428, 234462642, 468925284, 1680315601, 3360631202, 5040946803, 6721262404, 10081893606, 20163787212]

約数ペア:

[(1, 20163787212), (2, 10081893606), (3, 6721262404), (4, 5040946803), (6, 3360631202), (12, 1680315601), (43, 468925284), (86, 234462642), (129, 156308428), (172, 117231321), (257, 78458316), (258, 78154214), (383, 52646964), (397, 50790396), (514, 39229158), (516, 39077107), (766, 26323482), (771, 26152772), (794, 25395198), (1028, 19614579), (1149, 17548988), (1191, 16930132), (1532, 13161741), (1542, 13076386), (1588, 12697599), (2298, 8774494), (2382, 8465066), (3084, 6538193), (4596, 4387247), (4764, 4232533), (11051, 1824612), (16469, 1224348), (17071, 1181172), (22102, 912306), (32938, 612174), (33153, 608204), (34142, 590586), (44204, 456153), (49407, 408116), (51213, 393724), (65876, 306087), (66306, 304102), (68284, 295293), (98431, 204852), (98814, 204058), (102029, 197628), (102426, 196862), (132612, 152051)]