16906520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5953}}^1$

素因数の和:6035

約数の個数: 32

約数和(自身を含む): 38581920

約数和(自身を除く): 21675400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5953, 11906, 23812, 29765, 47624, 59530, 119060, 238120, 422663, 845326, 1690652, 2113315, 3381304, 4226630, 8453260, 16906520]

約数ペア:

[(1, 16906520), (2, 8453260), (4, 4226630), (5, 3381304), (8, 2113315), (10, 1690652), (20, 845326), (40, 422663), (71, 238120), (142, 119060), (284, 59530), (355, 47624), (568, 29765), (710, 23812), (1420, 11906), (2840, 5953)]