20307696

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{9839}}^1$

素因数の和:9893

約数の個数: 40

約数和(自身を含む): 53687040

約数和(自身を除く): 33379344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 9839, 19678, 29517, 39356, 59034, 78712, 118068, 157424, 236136, 423077, 472272, 846154, 1269231, 1692308, 2538462, 3384616, 5076924, 6769232, 10153848, 20307696]

約数ペア:

[(1, 20307696), (2, 10153848), (3, 6769232), (4, 5076924), (6, 3384616), (8, 2538462), (12, 1692308), (16, 1269231), (24, 846154), (43, 472272), (48, 423077), (86, 236136), (129, 157424), (172, 118068), (258, 78712), (344, 59034), (516, 39356), (688, 29517), (1032, 19678), (2064, 9839)]