20732760

素因数分解:

$2^3\times 3^8\times 5^1\times {\mathrm{79}}^1$

素因数の和:114

約数の個数: 144

約数和(自身を含む): 70855200

約数和(自身を除く): 50122440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 81, 90, 108, 120, 135, 158, 162, 180, 216, 237, 243, 270, 316, 324, 360, 395, 405, 474, 486, 540, 632, 648, 711, 729, 790, 810, 948, 972, 1080, 1185, 1215, 1422, 1458, 1580, 1620, 1896, 1944, 2133, 2187, 2370, 2430, 2844, 2916, 3160, 3240, 3555, 3645, 4266, 4374, 4740, 4860, 5688, 5832, 6399, 6561, 7110, 7290, 8532, 8748, 9480, 9720, 10665, 10935, 12798, 13122, 14220, 14580, 17064, 17496, 19197, 21330, 21870, 25596, 26244, 28440, 29160, 31995, 32805, 38394, 42660, 43740, 51192, 52488, 57591, 63990, 65610, 76788, 85320, 87480, 95985, 115182, 127980, 131220, 153576, 172773, 191970, 230364, 255960, 262440, 287955, 345546, 383940, 460728, 518319, 575910, 691092, 767880, 863865, 1036638, 1151820, 1382184, 1727730, 2073276, 2303640, 2591595, 3455460, 4146552, 5183190, 6910920, 10366380, 20732760]

約数ペア:

[(1, 20732760), (2, 10366380), (3, 6910920), (4, 5183190), (5, 4146552), (6, 3455460), (8, 2591595), (9, 2303640), (10, 2073276), (12, 1727730), (15, 1382184), (18, 1151820), (20, 1036638), (24, 863865), (27, 767880), (30, 691092), (36, 575910), (40, 518319), (45, 460728), (54, 383940), (60, 345546), (72, 287955), (79, 262440), (81, 255960), (90, 230364), (108, 191970), (120, 172773), (135, 153576), (158, 131220), (162, 127980), (180, 115182), (216, 95985), (237, 87480), (243, 85320), (270, 76788), (316, 65610), (324, 63990), (360, 57591), (395, 52488), (405, 51192), (474, 43740), (486, 42660), (540, 38394), (632, 32805), (648, 31995), (711, 29160), (729, 28440), (790, 26244), (810, 25596), (948, 21870), (972, 21330), (1080, 19197), (1185, 17496), (1215, 17064), (1422, 14580), (1458, 14220), (1580, 13122), (1620, 12798), (1896, 10935), (1944, 10665), (2133, 9720), (2187, 9480), (2370, 8748), (2430, 8532), (2844, 7290), (2916, 7110), (3160, 6561), (3240, 6399), (3555, 5832), (3645, 5688), (4266, 4860), (4374, 4740)]