20844648

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:340

約数の個数: 128

約数和(自身を含む): 65433600

約数和(自身を除く): 44588952

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 31, 33, 36, 44, 54, 62, 66, 72, 88, 93, 99, 108, 124, 132, 186, 198, 216, 248, 264, 279, 283, 297, 341, 372, 396, 558, 566, 594, 682, 744, 792, 837, 849, 1023, 1116, 1132, 1188, 1364, 1674, 1698, 2046, 2232, 2264, 2376, 2547, 2728, 3069, 3113, 3348, 3396, 4092, 5094, 6138, 6226, 6696, 6792, 7641, 8184, 8773, 9207, 9339, 10188, 12276, 12452, 15282, 17546, 18414, 18678, 20376, 24552, 24904, 26319, 28017, 30564, 35092, 36828, 37356, 52638, 56034, 61128, 70184, 73656, 74712, 78957, 84051, 96503, 105276, 112068, 157914, 168102, 193006, 210552, 224136, 236871, 289509, 315828, 336204, 386012, 473742, 579018, 631656, 672408, 772024, 868527, 947484, 1158036, 1737054, 1894968, 2316072, 2605581, 3474108, 5211162, 6948216, 10422324, 20844648]

約数ペア:

[(1, 20844648), (2, 10422324), (3, 6948216), (4, 5211162), (6, 3474108), (8, 2605581), (9, 2316072), (11, 1894968), (12, 1737054), (18, 1158036), (22, 947484), (24, 868527), (27, 772024), (31, 672408), (33, 631656), (36, 579018), (44, 473742), (54, 386012), (62, 336204), (66, 315828), (72, 289509), (88, 236871), (93, 224136), (99, 210552), (108, 193006), (124, 168102), (132, 157914), (186, 112068), (198, 105276), (216, 96503), (248, 84051), (264, 78957), (279, 74712), (283, 73656), (297, 70184), (341, 61128), (372, 56034), (396, 52638), (558, 37356), (566, 36828), (594, 35092), (682, 30564), (744, 28017), (792, 26319), (837, 24904), (849, 24552), (1023, 20376), (1116, 18678), (1132, 18414), (1188, 17546), (1364, 15282), (1674, 12452), (1698, 12276), (2046, 10188), (2232, 9339), (2264, 9207), (2376, 8773), (2547, 8184), (2728, 7641), (3069, 6792), (3113, 6696), (3348, 6226), (3396, 6138), (4092, 5094)]