20319405

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 13428435

約数列:

[1, 3, 5, 15, 53, 61, 159, 183, 265, 305, 419, 795, 915, 1257, 2095, 3233, 6285, 9699, 16165, 22207, 25559, 48495, 66621, 76677, 111035, 127795, 333105, 383385, 1354627, 4063881, 6773135, 20319405]

約数ペア:

[(1, 20319405), (3, 6773135), (5, 4063881), (15, 1354627), (53, 383385), (61, 333105), (159, 127795), (183, 111035), (265, 76677), (305, 66621), (419, 48495), (795, 25559), (915, 22207), (1257, 16165), (2095, 9699), (3233, 6285)]