20963016

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 62198400

約数和(自身を除く): 41235384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 43, 54, 61, 72, 74, 86, 108, 111, 122, 129, 148, 172, 183, 216, 222, 244, 258, 296, 333, 344, 366, 387, 444, 488, 516, 549, 666, 732, 774, 888, 999, 1032, 1098, 1161, 1332, 1464, 1548, 1591, 1647, 1998, 2196, 2257, 2322, 2623, 2664, 3096, 3182, 3294, 3996, 4392, 4514, 4644, 4773, 5246, 6364, 6588, 6771, 7869, 7992, 9028, 9288, 9546, 10492, 12728, 13176, 13542, 14319, 15738, 18056, 19092, 20313, 20984, 23607, 27084, 28638, 31476, 38184, 40626, 42957, 47214, 54168, 57276, 60939, 62952, 70821, 81252, 85914, 94428, 97051, 114552, 121878, 141642, 162504, 171828, 188856, 194102, 243756, 283284, 291153, 343656, 388204, 487512, 566568, 582306, 776408, 873459, 1164612, 1746918, 2329224, 2620377, 3493836, 5240754, 6987672, 10481508, 20963016]

約数ペア:

[(1, 20963016), (2, 10481508), (3, 6987672), (4, 5240754), (6, 3493836), (8, 2620377), (9, 2329224), (12, 1746918), (18, 1164612), (24, 873459), (27, 776408), (36, 582306), (37, 566568), (43, 487512), (54, 388204), (61, 343656), (72, 291153), (74, 283284), (86, 243756), (108, 194102), (111, 188856), (122, 171828), (129, 162504), (148, 141642), (172, 121878), (183, 114552), (216, 97051), (222, 94428), (244, 85914), (258, 81252), (296, 70821), (333, 62952), (344, 60939), (366, 57276), (387, 54168), (444, 47214), (488, 42957), (516, 40626), (549, 38184), (666, 31476), (732, 28638), (774, 27084), (888, 23607), (999, 20984), (1032, 20313), (1098, 19092), (1161, 18056), (1332, 15738), (1464, 14319), (1548, 13542), (1591, 13176), (1647, 12728), (1998, 10492), (2196, 9546), (2257, 9288), (2322, 9028), (2623, 7992), (2664, 7869), (3096, 6771), (3182, 6588), (3294, 6364), (3996, 5246), (4392, 4773), (4514, 4644)]