20750912

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:548

約数の個数: 84

約数和(自身を含む): 51686460

約数和(自身を除く): 30935548

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 448, 509, 637, 728, 784, 832, 1018, 1274, 1456, 1568, 2036, 2548, 2912, 3136, 3563, 4072, 5096, 5824, 6617, 7126, 8144, 10192, 13234, 14252, 16288, 20384, 24941, 26468, 28504, 32576, 40768, 46319, 49882, 52936, 57008, 92638, 99764, 105872, 114016, 185276, 199528, 211744, 228032, 324233, 370552, 399056, 423488, 648466, 741104, 798112, 1296932, 1482208, 1596224, 2593864, 2964416, 5187728, 10375456, 20750912]

約数ペア:

[(1, 20750912), (2, 10375456), (4, 5187728), (7, 2964416), (8, 2593864), (13, 1596224), (14, 1482208), (16, 1296932), (26, 798112), (28, 741104), (32, 648466), (49, 423488), (52, 399056), (56, 370552), (64, 324233), (91, 228032), (98, 211744), (104, 199528), (112, 185276), (182, 114016), (196, 105872), (208, 99764), (224, 92638), (364, 57008), (392, 52936), (416, 49882), (448, 46319), (509, 40768), (637, 32576), (728, 28504), (784, 26468), (832, 24941), (1018, 20384), (1274, 16288), (1456, 14252), (1568, 13234), (2036, 10192), (2548, 8144), (2912, 7126), (3136, 6617), (3563, 5824), (4072, 5096)]