20164635

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 37930464

約数和(自身を除く): 17765829

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 129, 153, 215, 255, 387, 613, 645, 731, 765, 1839, 1935, 2193, 3065, 3655, 5517, 6579, 9195, 10421, 10965, 26359, 27585, 31263, 32895, 52105, 79077, 93789, 131795, 156315, 237231, 395385, 448103, 468945, 1186155, 1344309, 2240515, 4032927, 6721545, 20164635]

約数ペア:

[(1, 20164635), (3, 6721545), (5, 4032927), (9, 2240515), (15, 1344309), (17, 1186155), (43, 468945), (45, 448103), (51, 395385), (85, 237231), (129, 156315), (153, 131795), (215, 93789), (255, 79077), (387, 52105), (613, 32895), (645, 31263), (731, 27585), (765, 26359), (1839, 10965), (1935, 10421), (2193, 9195), (3065, 6579), (3655, 5517)]