20326446

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{457}}^1$

素因数の和:825

約数の個数: 48

約数和(自身を含む): 50585184

約数和(自身を除く): 30258738

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 353, 457, 706, 914, 1059, 1371, 2118, 2471, 2742, 3177, 3199, 4113, 4942, 6354, 6398, 7413, 8226, 9597, 14826, 19194, 22239, 28791, 44478, 57582, 161321, 322642, 483963, 967926, 1129247, 1451889, 2258494, 2903778, 3387741, 6775482, 10163223, 20326446]

約数ペア:

[(1, 20326446), (2, 10163223), (3, 6775482), (6, 3387741), (7, 2903778), (9, 2258494), (14, 1451889), (18, 1129247), (21, 967926), (42, 483963), (63, 322642), (126, 161321), (353, 57582), (457, 44478), (706, 28791), (914, 22239), (1059, 19194), (1371, 14826), (2118, 9597), (2471, 8226), (2742, 7413), (3177, 6398), (3199, 6354), (4113, 4942)]