20411856

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{6163}}^1$

素因数の和:6200

約数の個数: 60

約数和(自身を含む): 59618208

約数和(自身を除く): 39206352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 6163, 12326, 18489, 24652, 36978, 49304, 55467, 73956, 98608, 110934, 141749, 147912, 221868, 283498, 295824, 425247, 443736, 566996, 850494, 887472, 1133992, 1275741, 1700988, 2267984, 2551482, 3401976, 5102964, 6803952, 10205928, 20411856]

約数ペア:

[(1, 20411856), (2, 10205928), (3, 6803952), (4, 5102964), (6, 3401976), (8, 2551482), (9, 2267984), (12, 1700988), (16, 1275741), (18, 1133992), (23, 887472), (24, 850494), (36, 566996), (46, 443736), (48, 425247), (69, 295824), (72, 283498), (92, 221868), (138, 147912), (144, 141749), (184, 110934), (207, 98608), (276, 73956), (368, 55467), (414, 49304), (552, 36978), (828, 24652), (1104, 18489), (1656, 12326), (3312, 6163)]