20481544

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1061}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 40780800

約数和(自身を除く): 20299256

約数列:

[1, 2, 4, 8, 19, 38, 76, 127, 152, 254, 508, 1016, 1061, 2122, 2413, 4244, 4826, 8488, 9652, 19304, 20159, 40318, 80636, 134747, 161272, 269494, 538988, 1077976, 2560193, 5120386, 10240772, 20481544]

約数ペア:

[(1, 20481544), (2, 10240772), (4, 5120386), (8, 2560193), (19, 1077976), (38, 538988), (76, 269494), (127, 161272), (152, 134747), (254, 80636), (508, 40318), (1016, 20159), (1061, 19304), (2122, 9652), (2413, 8488), (4244, 4826)]