20263464

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21649}}^1$

素因数の和:21674

約数の個数: 48

約数和(自身を含む): 59104500

約数和(自身を除く): 38841036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21649, 43298, 64947, 86596, 129894, 173192, 194841, 259788, 281437, 389682, 519576, 562874, 779364, 844311, 1125748, 1558728, 1688622, 2251496, 2532933, 3377244, 5065866, 6754488, 10131732, 20263464]

約数ペア:

[(1, 20263464), (2, 10131732), (3, 6754488), (4, 5065866), (6, 3377244), (8, 2532933), (9, 2251496), (12, 1688622), (13, 1558728), (18, 1125748), (24, 844311), (26, 779364), (36, 562874), (39, 519576), (52, 389682), (72, 281437), (78, 259788), (104, 194841), (117, 173192), (156, 129894), (234, 86596), (312, 64947), (468, 43298), (936, 21649)]