16720506

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^2\times {\mathrm{853}}^1$

素因数の和:889

約数の個数: 60

約数和(自身を含む): 41230266

約数和(自身を除く): 24509760

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 121, 162, 198, 242, 297, 363, 594, 726, 853, 891, 1089, 1706, 1782, 2178, 2559, 3267, 5118, 6534, 7677, 9383, 9801, 15354, 18766, 19602, 23031, 28149, 46062, 56298, 69093, 84447, 103213, 138186, 168894, 206426, 253341, 309639, 506682, 619278, 760023, 928917, 1520046, 1857834, 2786751, 5573502, 8360253, 16720506]

約数ペア:

[(1, 16720506), (2, 8360253), (3, 5573502), (6, 2786751), (9, 1857834), (11, 1520046), (18, 928917), (22, 760023), (27, 619278), (33, 506682), (54, 309639), (66, 253341), (81, 206426), (99, 168894), (121, 138186), (162, 103213), (198, 84447), (242, 69093), (297, 56298), (363, 46062), (594, 28149), (726, 23031), (853, 19602), (891, 18766), (1089, 15354), (1706, 9801), (1782, 9383), (2178, 7677), (2559, 6534), (3267, 5118)]