20972976

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{10657}}^1$

素因数の和:10709

約数の個数: 40

約数和(自身を含む): 55506864

約数和(自身を除く): 34533888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 10657, 21314, 31971, 42628, 63942, 85256, 127884, 170512, 255768, 436937, 511536, 873874, 1310811, 1747748, 2621622, 3495496, 5243244, 6990992, 10486488, 20972976]

約数ペア:

[(1, 20972976), (2, 10486488), (3, 6990992), (4, 5243244), (6, 3495496), (8, 2621622), (12, 1747748), (16, 1310811), (24, 873874), (41, 511536), (48, 436937), (82, 255768), (123, 170512), (164, 127884), (246, 85256), (328, 63942), (492, 42628), (656, 31971), (984, 21314), (1968, 10657)]