20326572

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 64350720

約数和(自身を除く): 44024148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 49, 54, 63, 69, 84, 92, 98, 108, 126, 138, 147, 161, 167, 189, 196, 207, 252, 276, 294, 322, 334, 378, 414, 441, 483, 501, 588, 621, 644, 668, 756, 828, 882, 966, 1002, 1127, 1169, 1242, 1323, 1449, 1503, 1764, 1932, 2004, 2254, 2338, 2484, 2646, 2898, 3006, 3381, 3507, 3841, 4347, 4508, 4509, 4676, 5292, 5796, 6012, 6762, 7014, 7682, 8183, 8694, 9018, 10143, 10521, 11523, 13524, 14028, 15364, 16366, 17388, 18036, 20286, 21042, 23046, 24549, 26887, 30429, 31563, 32732, 34569, 40572, 42084, 46092, 49098, 53774, 60858, 63126, 69138, 73647, 80661, 98196, 103707, 107548, 121716, 126252, 138276, 147294, 161322, 188209, 207414, 220941, 241983, 294588, 322644, 376418, 414828, 441882, 483966, 564627, 725949, 752836, 883764, 967932, 1129254, 1451898, 1693881, 2258508, 2903796, 3387762, 5081643, 6775524, 10163286, 20326572]

約数ペア:

[(1, 20326572), (2, 10163286), (3, 6775524), (4, 5081643), (6, 3387762), (7, 2903796), (9, 2258508), (12, 1693881), (14, 1451898), (18, 1129254), (21, 967932), (23, 883764), (27, 752836), (28, 725949), (36, 564627), (42, 483966), (46, 441882), (49, 414828), (54, 376418), (63, 322644), (69, 294588), (84, 241983), (92, 220941), (98, 207414), (108, 188209), (126, 161322), (138, 147294), (147, 138276), (161, 126252), (167, 121716), (189, 107548), (196, 103707), (207, 98196), (252, 80661), (276, 73647), (294, 69138), (322, 63126), (334, 60858), (378, 53774), (414, 49098), (441, 46092), (483, 42084), (501, 40572), (588, 34569), (621, 32732), (644, 31563), (668, 30429), (756, 26887), (828, 24549), (882, 23046), (966, 21042), (1002, 20286), (1127, 18036), (1169, 17388), (1242, 16366), (1323, 15364), (1449, 14028), (1503, 13524), (1764, 11523), (1932, 10521), (2004, 10143), (2254, 9018), (2338, 8694), (2484, 8183), (2646, 7682), (2898, 7014), (3006, 6762), (3381, 6012), (3507, 5796), (3841, 5292), (4347, 4676), (4508, 4509)]