20141008

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 41068800

約数和(自身を除く): 20927792

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 229, 239, 368, 458, 478, 916, 956, 1832, 1912, 3664, 3824, 5267, 5497, 10534, 10994, 21068, 21988, 42136, 43976, 54731, 84272, 87952, 109462, 218924, 437848, 875696, 1258813, 2517626, 5035252, 10070504, 20141008]

約数ペア:

[(1, 20141008), (2, 10070504), (4, 5035252), (8, 2517626), (16, 1258813), (23, 875696), (46, 437848), (92, 218924), (184, 109462), (229, 87952), (239, 84272), (368, 54731), (458, 43976), (478, 42136), (916, 21988), (956, 21068), (1832, 10994), (1912, 10534), (3664, 5497), (3824, 5267)]