20456622

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 46348848

約数和(自身を除く): 25892226

約数列:

[1, 2, 3, 6, 9, 18, 41, 53, 82, 106, 123, 159, 246, 318, 369, 477, 523, 738, 954, 1046, 1569, 2173, 3138, 4346, 4707, 6519, 9414, 13038, 19557, 21443, 27719, 39114, 42886, 55438, 64329, 83157, 128658, 166314, 192987, 249471, 385974, 498942, 1136479, 2272958, 3409437, 6818874, 10228311, 20456622]

約数ペア:

[(1, 20456622), (2, 10228311), (3, 6818874), (6, 3409437), (9, 2272958), (18, 1136479), (41, 498942), (53, 385974), (82, 249471), (106, 192987), (123, 166314), (159, 128658), (246, 83157), (318, 64329), (369, 55438), (477, 42886), (523, 39114), (738, 27719), (954, 21443), (1046, 19557), (1569, 13038), (2173, 9414), (3138, 6519), (4346, 4707)]