20411730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4447}}^1$

素因数の和:4480

約数の個数: 64

約数和(自身を含む): 57646080

約数和(自身を除く): 37234350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1530, 2295, 4447, 4590, 8894, 13341, 22235, 26682, 40023, 44470, 66705, 75599, 80046, 120069, 133410, 151198, 200115, 226797, 240138, 377995, 400230, 453594, 600345, 680391, 755990, 1133985, 1200690, 1360782, 2041173, 2267970, 3401955, 4082346, 6803910, 10205865, 20411730]

約数ペア:

[(1, 20411730), (2, 10205865), (3, 6803910), (5, 4082346), (6, 3401955), (9, 2267970), (10, 2041173), (15, 1360782), (17, 1200690), (18, 1133985), (27, 755990), (30, 680391), (34, 600345), (45, 453594), (51, 400230), (54, 377995), (85, 240138), (90, 226797), (102, 200115), (135, 151198), (153, 133410), (170, 120069), (255, 80046), (270, 75599), (306, 66705), (459, 44470), (510, 40023), (765, 26682), (918, 22235), (1530, 13341), (2295, 8894), (4447, 4590)]