20005736

素因数分解:

$2^3\times {\mathrm{17}}^3\times {\mathrm{509}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 39933000

約数和(自身を除く): 19927264

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 509, 578, 1018, 1156, 2036, 2312, 4072, 4913, 8653, 9826, 17306, 19652, 34612, 39304, 69224, 147101, 294202, 588404, 1176808, 2500717, 5001434, 10002868, 20005736]

約数ペア:

[(1, 20005736), (2, 10002868), (4, 5001434), (8, 2500717), (17, 1176808), (34, 588404), (68, 294202), (136, 147101), (289, 69224), (509, 39304), (578, 34612), (1018, 19652), (1156, 17306), (2036, 9826), (2312, 8653), (4072, 4913)]