20425608

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 192

約数和(自身を含む): 69888000

約数和(自身を除く): 49462392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 79, 81, 84, 108, 114, 126, 133, 152, 158, 162, 168, 171, 189, 216, 228, 237, 243, 252, 266, 316, 324, 342, 378, 399, 456, 474, 486, 504, 513, 532, 553, 567, 632, 648, 684, 711, 756, 798, 948, 972, 1026, 1064, 1106, 1134, 1197, 1368, 1422, 1501, 1512, 1539, 1596, 1659, 1701, 1896, 1944, 2052, 2133, 2212, 2268, 2394, 2844, 3002, 3078, 3192, 3318, 3402, 3591, 4104, 4266, 4424, 4503, 4536, 4617, 4788, 4977, 5688, 6004, 6156, 6399, 6636, 6804, 7182, 8532, 9006, 9234, 9576, 9954, 10507, 10773, 12008, 12312, 12798, 13272, 13509, 13608, 14364, 14931, 17064, 18012, 18468, 19197, 19908, 21014, 21546, 25596, 27018, 28728, 29862, 31521, 32319, 36024, 36936, 38394, 39816, 40527, 42028, 43092, 44793, 51192, 54036, 59724, 63042, 64638, 76788, 81054, 84056, 86184, 89586, 94563, 108072, 119448, 121581, 126084, 129276, 134379, 153576, 162108, 179172, 189126, 243162, 252168, 258552, 268758, 283689, 324216, 358344, 364743, 378252, 486324, 537516, 567378, 729486, 756504, 851067, 972648, 1075032, 1134756, 1458972, 1702134, 2269512, 2553201, 2917944, 3404268, 5106402, 6808536, 10212804, 20425608]

約数ペア:

[(1, 20425608), (2, 10212804), (3, 6808536), (4, 5106402), (6, 3404268), (7, 2917944), (8, 2553201), (9, 2269512), (12, 1702134), (14, 1458972), (18, 1134756), (19, 1075032), (21, 972648), (24, 851067), (27, 756504), (28, 729486), (36, 567378), (38, 537516), (42, 486324), (54, 378252), (56, 364743), (57, 358344), (63, 324216), (72, 283689), (76, 268758), (79, 258552), (81, 252168), (84, 243162), (108, 189126), (114, 179172), (126, 162108), (133, 153576), (152, 134379), (158, 129276), (162, 126084), (168, 121581), (171, 119448), (189, 108072), (216, 94563), (228, 89586), (237, 86184), (243, 84056), (252, 81054), (266, 76788), (316, 64638), (324, 63042), (342, 59724), (378, 54036), (399, 51192), (456, 44793), (474, 43092), (486, 42028), (504, 40527), (513, 39816), (532, 38394), (553, 36936), (567, 36024), (632, 32319), (648, 31521), (684, 29862), (711, 28728), (756, 27018), (798, 25596), (948, 21546), (972, 21014), (1026, 19908), (1064, 19197), (1106, 18468), (1134, 18012), (1197, 17064), (1368, 14931), (1422, 14364), (1501, 13608), (1512, 13509), (1539, 13272), (1596, 12798), (1659, 12312), (1701, 12008), (1896, 10773), (1944, 10507), (2052, 9954), (2133, 9576), (2212, 9234), (2268, 9006), (2394, 8532), (2844, 7182), (3002, 6804), (3078, 6636), (3192, 6399), (3318, 6156), (3402, 6004), (3591, 5688), (4104, 4977), (4266, 4788), (4424, 4617), (4503, 4536)]