20163853647

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{2969}}^1$

素因数の和:3157

約数の個数: 96

約数和(自身を含む): 35879500800

約数和(自身を除く): 15715647153

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 109, 129, 161, 207, 301, 327, 387, 483, 763, 903, 981, 989, 1449, 2289, 2507, 2709, 2967, 2969, 4687, 6867, 6923, 7521, 8901, 8907, 14061, 17549, 20769, 20783, 22563, 26721, 32809, 42183, 52647, 62307, 62349, 68287, 98427, 107801, 127667, 157941, 187047, 204861, 295281, 323403, 323621, 383001, 478009, 614583, 754607, 893669, 970209, 970863, 1149003, 1434027, 2263821, 2265347, 2681007, 2912589, 2936341, 4302081, 6791463, 6796041, 7443283, 8043021, 8809023, 13915703, 20388123, 20554387, 22329849, 26427069, 41747109, 52102981, 61663161, 66989547, 97409921, 125241327, 156308943, 184989483, 292229763, 320061169, 468926829, 876689289, 960183507, 2240428183, 2880550521, 6721284549, 20163853647]

約数ペア:

[(1, 20163853647), (3, 6721284549), (7, 2880550521), (9, 2240428183), (21, 960183507), (23, 876689289), (43, 468926829), (63, 320061169), (69, 292229763), (109, 184989483), (129, 156308943), (161, 125241327), (207, 97409921), (301, 66989547), (327, 61663161), (387, 52102981), (483, 41747109), (763, 26427069), (903, 22329849), (981, 20554387), (989, 20388123), (1449, 13915703), (2289, 8809023), (2507, 8043021), (2709, 7443283), (2967, 6796041), (2969, 6791463), (4687, 4302081), (6867, 2936341), (6923, 2912589), (7521, 2681007), (8901, 2265347), (8907, 2263821), (14061, 1434027), (17549, 1149003), (20769, 970863), (20783, 970209), (22563, 893669), (26721, 754607), (32809, 614583), (42183, 478009), (52647, 383001), (62307, 323621), (62349, 323403), (68287, 295281), (98427, 204861), (107801, 187047), (127667, 157941)]