20504016

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{1217}}^1$

素因数の和:1250

約数の個数: 100

約数和(自身を含む): 63962052

約数和(自身を除く): 43458036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 312, 324, 351, 432, 468, 624, 648, 702, 936, 1053, 1217, 1296, 1404, 1872, 2106, 2434, 2808, 3651, 4212, 4868, 5616, 7302, 8424, 9736, 10953, 14604, 15821, 16848, 19472, 21906, 29208, 31642, 32859, 43812, 47463, 58416, 63284, 65718, 87624, 94926, 98577, 126568, 131436, 142389, 175248, 189852, 197154, 253136, 262872, 284778, 379704, 394308, 427167, 525744, 569556, 759408, 788616, 854334, 1139112, 1281501, 1577232, 1708668, 2278224, 2563002, 3417336, 5126004, 6834672, 10252008, 20504016]

約数ペア:

[(1, 20504016), (2, 10252008), (3, 6834672), (4, 5126004), (6, 3417336), (8, 2563002), (9, 2278224), (12, 1708668), (13, 1577232), (16, 1281501), (18, 1139112), (24, 854334), (26, 788616), (27, 759408), (36, 569556), (39, 525744), (48, 427167), (52, 394308), (54, 379704), (72, 284778), (78, 262872), (81, 253136), (104, 197154), (108, 189852), (117, 175248), (144, 142389), (156, 131436), (162, 126568), (208, 98577), (216, 94926), (234, 87624), (312, 65718), (324, 63284), (351, 58416), (432, 47463), (468, 43812), (624, 32859), (648, 31642), (702, 29208), (936, 21906), (1053, 19472), (1217, 16848), (1296, 15821), (1404, 14604), (1872, 10953), (2106, 9736), (2434, 8424), (2808, 7302), (3651, 5616), (4212, 4868)]