20925232

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4049}}^1$

素因数の和:4093

約数の個数: 40

約数和(自身を含む): 45198000

約数和(自身を除く): 24272768

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 4049, 5168, 8098, 16196, 32392, 64784, 68833, 76931, 137666, 153862, 275332, 307724, 550664, 615448, 1101328, 1230896, 1307827, 2615654, 5231308, 10462616, 20925232]

約数ペア:

[(1, 20925232), (2, 10462616), (4, 5231308), (8, 2615654), (16, 1307827), (17, 1230896), (19, 1101328), (34, 615448), (38, 550664), (68, 307724), (76, 275332), (136, 153862), (152, 137666), (272, 76931), (304, 68833), (323, 64784), (646, 32392), (1292, 16196), (2584, 8098), (4049, 5168)]