20407344

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 56648160

約数和(自身を除く): 36240816

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 89, 102, 136, 178, 204, 267, 272, 281, 356, 408, 534, 562, 712, 816, 843, 1068, 1124, 1424, 1513, 1686, 2136, 2248, 3026, 3372, 4272, 4496, 4539, 4777, 6052, 6744, 9078, 9554, 12104, 13488, 14331, 18156, 19108, 24208, 25009, 28662, 36312, 38216, 50018, 57324, 72624, 75027, 76432, 100036, 114648, 150054, 200072, 229296, 300108, 400144, 425153, 600216, 850306, 1200432, 1275459, 1700612, 2550918, 3401224, 5101836, 6802448, 10203672, 20407344]

約数ペア:

[(1, 20407344), (2, 10203672), (3, 6802448), (4, 5101836), (6, 3401224), (8, 2550918), (12, 1700612), (16, 1275459), (17, 1200432), (24, 850306), (34, 600216), (48, 425153), (51, 400144), (68, 300108), (89, 229296), (102, 200072), (136, 150054), (178, 114648), (204, 100036), (267, 76432), (272, 75027), (281, 72624), (356, 57324), (408, 50018), (534, 38216), (562, 36312), (712, 28662), (816, 25009), (843, 24208), (1068, 19108), (1124, 18156), (1424, 14331), (1513, 13488), (1686, 12104), (2136, 9554), (2248, 9078), (3026, 6744), (3372, 6052), (4272, 4777), (4496, 4539)]