20885616

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{3373}}^1$

素因数の和:3430

約数の個数: 60

約数和(自身を含む): 59827768

約数和(自身を除く): 38942152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 3373, 6192, 6746, 10119, 13492, 20238, 26984, 30357, 40476, 53968, 60714, 80952, 121428, 145039, 161904, 242856, 290078, 435117, 485712, 580156, 870234, 1160312, 1305351, 1740468, 2320624, 2610702, 3480936, 5221404, 6961872, 10442808, 20885616]

約数ペア:

[(1, 20885616), (2, 10442808), (3, 6961872), (4, 5221404), (6, 3480936), (8, 2610702), (9, 2320624), (12, 1740468), (16, 1305351), (18, 1160312), (24, 870234), (36, 580156), (43, 485712), (48, 435117), (72, 290078), (86, 242856), (129, 161904), (144, 145039), (172, 121428), (258, 80952), (344, 60714), (387, 53968), (516, 40476), (688, 30357), (774, 26984), (1032, 20238), (1548, 13492), (2064, 10119), (3096, 6746), (3373, 6192)]