20355270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 128

約数和(自身を含む): 57576960

約数和(自身を除く): 37221690

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 41, 57, 65, 67, 78, 82, 95, 114, 123, 130, 134, 190, 195, 201, 205, 246, 247, 285, 335, 390, 402, 410, 494, 533, 570, 615, 670, 741, 779, 871, 1005, 1066, 1230, 1235, 1273, 1482, 1558, 1599, 1742, 2010, 2337, 2470, 2546, 2613, 2665, 2747, 3198, 3705, 3819, 3895, 4355, 4674, 5226, 5330, 5494, 6365, 7410, 7638, 7790, 7995, 8241, 8710, 10127, 11685, 12730, 13065, 13735, 15990, 16482, 16549, 19095, 20254, 23370, 26130, 27470, 30381, 33098, 35711, 38190, 41205, 49647, 50635, 52193, 60762, 71422, 82410, 82745, 99294, 101270, 104386, 107133, 151905, 156579, 165490, 178555, 214266, 248235, 260965, 303810, 313158, 357110, 496470, 521930, 535665, 678509, 782895, 1071330, 1357018, 1565790, 2035527, 3392545, 4071054, 6785090, 10177635, 20355270]

約数ペア:

[(1, 20355270), (2, 10177635), (3, 6785090), (5, 4071054), (6, 3392545), (10, 2035527), (13, 1565790), (15, 1357018), (19, 1071330), (26, 782895), (30, 678509), (38, 535665), (39, 521930), (41, 496470), (57, 357110), (65, 313158), (67, 303810), (78, 260965), (82, 248235), (95, 214266), (114, 178555), (123, 165490), (130, 156579), (134, 151905), (190, 107133), (195, 104386), (201, 101270), (205, 99294), (246, 82745), (247, 82410), (285, 71422), (335, 60762), (390, 52193), (402, 50635), (410, 49647), (494, 41205), (533, 38190), (570, 35711), (615, 33098), (670, 30381), (741, 27470), (779, 26130), (871, 23370), (1005, 20254), (1066, 19095), (1230, 16549), (1235, 16482), (1273, 15990), (1482, 13735), (1558, 13065), (1599, 12730), (1742, 11685), (2010, 10127), (2337, 8710), (2470, 8241), (2546, 7995), (2613, 7790), (2665, 7638), (2747, 7410), (3198, 6365), (3705, 5494), (3819, 5330), (3895, 5226), (4355, 4674)]