20688304

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1093}}^1$

素因数の和:1134

約数の個数: 60

約数和(自身を含む): 49650096

約数和(自身を除く): 28961792

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1093, 1183, 1352, 1456, 2186, 2366, 2704, 4372, 4732, 7651, 8744, 9464, 14209, 15302, 17488, 18928, 28418, 30604, 56836, 61208, 99463, 113672, 122416, 184717, 198926, 227344, 369434, 397852, 738868, 795704, 1293019, 1477736, 1591408, 2586038, 2955472, 5172076, 10344152, 20688304]

約数ペア:

[(1, 20688304), (2, 10344152), (4, 5172076), (7, 2955472), (8, 2586038), (13, 1591408), (14, 1477736), (16, 1293019), (26, 795704), (28, 738868), (52, 397852), (56, 369434), (91, 227344), (104, 198926), (112, 184717), (169, 122416), (182, 113672), (208, 99463), (338, 61208), (364, 56836), (676, 30604), (728, 28418), (1093, 18928), (1183, 17488), (1352, 15302), (1456, 14209), (2186, 9464), (2366, 8744), (2704, 7651), (4372, 4732)]