20893284

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6521}}^1$

素因数の和:6620

約数の個数: 36

約数和(自身を含む): 53415180

約数和(自身を除く): 32521896

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6521, 13042, 19563, 26084, 39126, 58689, 78252, 117378, 234756, 580369, 1160738, 1741107, 2321476, 3482214, 5223321, 6964428, 10446642, 20893284]

約数ペア:

[(1, 20893284), (2, 10446642), (3, 6964428), (4, 5223321), (6, 3482214), (9, 2321476), (12, 1741107), (18, 1160738), (36, 580369), (89, 234756), (178, 117378), (267, 78252), (356, 58689), (534, 39126), (801, 26084), (1068, 19563), (1602, 13042), (3204, 6521)]